Making the headers self-sufficient

Author: alibuild

PWGCF/FemtoUniverse/Core/FemtoUniversePairSHCentMultKt.h

@@ -16,11 +16,14 @@
 #ifndef PWGCF_FEMTOUNIVERSE_CORE_FEMTOUNIVERSEPAIRSHCENTMULTKT_H_
 #define PWGCF_FEMTOUNIVERSE_CORE_FEMTOUNIVERSEPAIRSHCENTMULTKT_H_
 
-#include <vector>
-#include <string>
+#include "PWGCF/FemtoUniverse/Core/FemtoUniverseSHContainer.h"
+
+#include "Framework/HistogramRegistry.h"
+
 #include <complex>
 #include <memory>
-#include "Framework/HistogramRegistry.h"
+#include <string>
+#include <vector>
 
 // using namespace o2::constants::physics;