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

include/JSystem/JStudio/JStudio/functionvalue.h

@@ -1,7 +1,7 @@
 #ifndef FUNCTIONVALUE_H
 #define FUNCTIONVALUE_H
 
-#include <math>
+#include <cmath>
 #include "JSystem/JGadget/std-vector.h"
 #include "JSystem/JGadget/define.h"
 #include "JSystem/JGadget/search.h"

include/JSystem/JStudio/JStudio/jstudio-math.h

@@ -2,7 +2,7 @@
 #define JSTUDIO_MATH_H
 
 #include "dolphin/mtx.h"
-#include <math>
+#include <cmath>
 
 #define m_PI_D 3.141592653589793
 

include/JSystem/JStudio/JStudio/jstudio-object.h

@@ -4,7 +4,7 @@
 #include "JSystem/JStudio/JStudio/jstudio-control.h"
 #include "global.h"
 #include <limits>
-#include <math>
+#include <cmath>
 
 typedef struct _GXColor GXColor;