Fixed bug #841

The redefinition of M_PI is no longer necessary...

--HG--
extra : convert_revision : svn%3Ac70aab31-4412-0410-b14c-859654838e24/trunk%404338

test/testpalette.c

@@ -10,11 +10,6 @@
 #include <string.h>
 #include <math.h>
 
-/* This isn't in the Windows headers */
-#ifndef M_PI
-#define M_PI	3.14159265358979323846
-#endif
-
 #include "SDL.h"
 
 /* screen size */