unify include guard defines, __$FILENAME__

without the underscores these clogged up the namespace for autocompleation which was annoying.

source/blender/editors/space_script/script_intern.h

@@ -28,8 +28,8 @@
  *  \ingroup spscript
  */
 
-#ifndef ED_SCRIPT_INTERN_H
-#define ED_SCRIPT_INTERN_H
+#ifndef __SCRIPT_INTERN_H__
+#define __SCRIPT_INTERN_H__
 
 /* internal exports only */
 
@@ -41,5 +41,5 @@ void script_keymap(struct wmKeyConfig *keyconf);
 void SCRIPT_OT_reload(struct wmOperatorType *ot);
 void SCRIPT_OT_python_file_run(struct wmOperatorType *ot);
 
-#endif /* ED_SCRIPT_INTERN_H */
+#endif /* __SCRIPT_INTERN_H__ */