Update flowEventPlane.cxx

Author: yashpatley

PWGCF/Flow/Tasks/flowEventPlane.cxx

@@ -28,9 +28,9 @@
 
 #include "TPDGCode.h"
 
+#include <map>
 #include <string>
 #include <vector>
-#include <map>
 
 using namespace o2;
 using namespace o2::framework;