Making the headers self-sufficient

Author: alibuild

PWGCF/FemtoUniverse/Core/FemtoUniverseCollisionSelection.h

@@ -18,11 +18,13 @@
 #ifndef PWGCF_FEMTOUNIVERSE_CORE_FEMTOUNIVERSECOLLISIONSELECTION_H_
 #define PWGCF_FEMTOUNIVERSE_CORE_FEMTOUNIVERSECOLLISIONSELECTION_H_
 
-#include <string>
 #include "Common/CCDB/TriggerAliases.h"
+
 #include "Framework/HistogramRegistry.h"
 #include "Framework/Logger.h"
 
+#include <string>
+
 using namespace o2::framework;
 
 namespace o2::analysis::femto_universe