(svn r23198) -Codechange: introduce a free that takes const pointers so we don't need to cast to void/non-const before being able to free

src/stdafx.h

@@ -437,6 +437,15 @@ void NORETURN CDECL error(const char *str, ...) WARN_FORMAT(1, 2);
 	#define MAX_PATH 260
 #endif
 
+/**
+ * Version of the standard free that accepts const pointers.
+ * @param ptr The data to free.
+ */
+static FORCEINLINE void free(const void *ptr)
+{
+	free(const_cast<void *>(ptr));
+}
+
 /**
  * The largest value that can be entered in a variable
  * @param type the type of the variable