Make objc_msgSend without a cast give a warning

gistfile1.txt

#define objc_msgSend(...) (objc_msgSend_without_cast())(__VA_ARGS__)

static inline id (*objc_msgSend_without_cast(void))(id, SEL, ...) __attribute__((deprecated("objc_msgSend must be cast to the correct type")));
static inline id (*objc_msgSend_without_cast(void))(id, SEL, ...) {
    return objc_msgSend;
}