fixing build errors

Author: MattOckleton

PWGJE/Tasks/jetCorrelationD0.cxx

@@ -37,9 +37,10 @@
 #include <cstdint>
 #include <cstdlib>
 #include <string>
-#include <type_traits>
 #include <vector>
 
+#include <cmath>
+
 using namespace o2;
 using namespace o2::framework;
 using namespace o2::framework::expressions;