- put back wmksize(), wmkrange() and wmkpoint() as functions instead of macros

- fixed some compilation warnings with -Wall
- some code cleanup

WINGs/wcolorpanel.c

@@ -284,6 +284,12 @@ enum {
 
 #define MAX_LENGTH  1024
 
+
+#ifndef M_PI
+#define M_PI 3.14159265358979323846
+#endif
+
+
 static int fetchFile(char* toPath, char *imageSrcFile,
 	char *imageDestFileName);
 char *generateNewFilename(char *curName);