[PWGEM] Fix include in EMCPhotonCut.h (AliceO2Group#12900)

njacazio · jinhyunni · commit 0be122a57d94 · 2025-10-11T20:27:36.000+09:00
diff --git a/PWGEM/PhotonMeson/Core/EMCPhotonCut.h b/PWGEM/PhotonMeson/Core/EMCPhotonCut.h
@@ -20,6 +20,7 @@
 
 #include <Rtypes.h>
 
+#include <cmath>
 #include <functional>
 #include <string>
 
