frv: missing __clear_user()

Signed-off-by: NAl Viro <viro@zeniv.linux.org.uk>
Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>

include/asm-frv/uaccess.h

@@ -277,6 +277,8 @@ extern long __memcpy_user(void *dst, const void *src, unsigned long count);
 
 #endif
 
+#define __clear_user clear_user
+
 static inline unsigned long __must_check
 __copy_to_user(void __user *to, const void *from, unsigned long n)
 {