[PWGCF] Fix includes

[vkucera]

No description provided.

[github-actions]

O2 linter results: ❌ 0 errors, ⚠️ 0 warnings, 🔕 0 disabled

[alibuild]

Error while checking build/O2Physics/code-check for 6721bce at 2026-09-06 17:45:

## sw/BUILD/O2Physics-code-check-latest/log
--
========== List of issues found ==========
++ echo 'Found 12 errors and 14 warnings.'
Found 12 errors and 14 warnings.
++ [[ 12 -gt 0 ]]
++ cat /sw/BUILD/af307e8bfce3d4945879303a78129d3ffef8aea4/O2Physics-code-check/errors.txt
PWGCF/MultiparticleCorrelations/Tasks/multiparticleCorrelationsMei.cxx:124:8: error: constructor does not initialize these fields: ccdb [cppcoreguidelines-pro-type-member-init,-warnings-as-errors]
PWGCF/MultiparticleCorrelations/Tasks/multiparticleCorrelationsMei.cxx:229:14: error: variable 'objectIter' is not initialized [cppcoreguidelines-init-variables,-warnings-as-errors]
PWGCF/MultiparticleCorrelations/Tasks/multiparticleCorrelationsMei.cxx:234:41: error: do not use reinterpret_cast [cppcoreguidelines-pro-type-reinterpret-cast,-warnings-as-errors]
PWGCF/MultiparticleCorrelations/Tasks/multiparticleCorrelationsMei.cxx:283:22: error: do not use reinterpret_cast [cppcoreguidelines-pro-type-reinterpret-cast,-warnings-as-errors]
PWGCF/MultiparticleCorrelations/Tasks/multiparticleCorrelationsMei.cxx:287:24: error: do not use reinterpret_cast [cppcoreguidelines-pro-type-reinterpret-cast,-warnings-as-errors]
PWGCF/MultiparticleCorrelations/Tasks/multiparticleCorrelationsMei.cxx:305:22: error: do not use reinterpret_cast [cppcoreguidelines-pro-type-reinterpret-cast,-warnings-as-errors]
PWGCF/MultiparticleCorrelations/Tasks/multiparticleCorrelationsMei.cxx:309:24: error: do not use reinterpret_cast [cppcoreguidelines-pro-type-reinterpret-cast,-warnings-as-errors]
PWGCF/MultiparticleCorrelations/Tasks/multiparticleCorrelationsMei.cxx:338:22: error: do not use reinterpret_cast [cppcoreguidelines-pro-type-reinterpret-cast,-warnings-as-errors]
PWGCF/MultiparticleCorrelations/Tasks/multiparticleCorrelationsMei.cxx:342:24: error: do not use reinterpret_cast [cppcoreguidelines-pro-type-reinterpret-cast,-warnings-as-errors]
PWGCF/MultiparticleCorrelations/Tasks/multiparticleCorrelationsMei.cxx:402:5: error: switching on non-enum value without default case may not cover all cases [bugprone-switch-missing-default-case,-warnings-as-errors]
PWGCF/MultiparticleCorrelations/Tasks/multiparticleCorrelationsMei.cxx:418:5: error: switching on non-enum value without default case may not cover all cases [bugprone-switch-missing-default-case,-warnings-as-errors]
PWGCF/MultiparticleCorrelations/Tasks/multiparticleCorrelationsMei.cxx:555:5: error: switching on non-enum value without default case may not cover all cases [bugprone-switch-missing-default-case,-warnings-as-errors]
++ [[ 14 -gt 0 ]]
++ cat /sw/BUILD/af307e8bfce3d4945879303a78129d3ffef8aea4/O2Physics-code-check/warnings.txt
PWGCF/MultiparticleCorrelations/Tasks/multiparticleCorrelationsMei.cxx:170:5: warning: do not declare C-style arrays, use 'std::array' instead [modernize-avoid-c-arrays]
PWGCF/MultiparticleCorrelations/Tasks/multiparticleCorrelationsMei.cxx:177:5: warning: do not declare C-style arrays, use 'std::array' instead [modernize-avoid-c-arrays]
PWGCF/MultiparticleCorrelations/Tasks/multiparticleCorrelationsMei.cxx:178:5: warning: do not declare C-style arrays, use 'std::array' instead [modernize-avoid-c-arrays]
PWGCF/MultiparticleCorrelations/Tasks/multiparticleCorrelationsMei.cxx:179:5: warning: do not declare C-style arrays, use 'std::array' instead [modernize-avoid-c-arrays]
PWGCF/MultiparticleCorrelations/Tasks/multiparticleCorrelationsMei.cxx:185:5: warning: do not declare C-style arrays, use 'std::array' instead [modernize-avoid-c-arrays]
PWGCF/MultiparticleCorrelations/Tasks/multiparticleCorrelationsMei.cxx:219:14: warning: use nullptr [modernize-use-nullptr]
PWGCF/MultiparticleCorrelations/Tasks/multiparticleCorrelationsMei.cxx:235:25: warning: statement should be inside braces [readability-braces-around-statements]
PWGCF/MultiparticleCorrelations/Tasks/multiparticleCorrelationsMei.cxx:240:12: warning: use nullptr [modernize-use-nullptr]
PWGCF/MultiparticleCorrelations/Tasks/multiparticleCorrelationsMei.cxx:246:18: warning: use nullptr [modernize-use-nullptr]
PWGCF/MultiparticleCorrelations/Tasks/multiparticleCorrelationsMei.cxx:247:23: warning: use nullptr [modernize-use-nullptr]
PWGCF/MultiparticleCorrelations/Tasks/multiparticleCorrelationsMei.cxx:248:27: warning: use nullptr [modernize-use-nullptr]
PWGCF/MultiparticleCorrelations/Tasks/multiparticleCorrelationsMei.cxx:363:24: warning: use nullptr [modernize-use-nullptr]
PWGCF/MultiparticleCorrelations/Tasks/multiparticleCorrelationsMei.cxx:365:29: warning: use nullptr [modernize-use-nullptr]
PWGCF/MultiparticleCorrelations/Tasks/multiparticleCorrelationsMei.cxx:638:5: warning: use auto when initializing with new to avoid duplicating the type name [modernize-use-auto]
++ [[ 12 -gt 0 ]]
++ exit 1
--

Full log here.