standard compiler compatibility changes (#3040)

* move math to cmath

* replace stdarg to cstdarg

* change stdint to stdint.h

* minor fixes

* change stdio to cstdio

* change stdlib to stdlib

* renamed ctype to cctype

* fix missing argument for UNSET_FLAG

src/CaptureScreen.cpp

@@ -1,4 +1,5 @@
 #include "CaptureScreen.h"
+#include "global.h"
 
 CaptureScreen::CaptureScreen(const JFWDisplay* pDisplay) {
     mpDisplay = pDisplay;