include/linux/compat.h: declare compat_sys_sendmmsg()

This is required for tilegx to be able to use the compat unistd.h header
where compat_sys_sendmmsg() is now mentioned.

Signed-off-by: Chris Metcalf <cmetcalf@tilera.com>
Cc: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/include/linux/compat.h b/include/linux/compat.h
index ddcb7db..846bb17 100644
--- a/include/linux/compat.h
+++ b/include/linux/compat.h
@@ -467,6 +467,8 @@
 				      char __user *optval, unsigned int optlen);
 asmlinkage long compat_sys_sendmsg(int fd, struct compat_msghdr __user *msg,
 				   unsigned flags);
+asmlinkage long compat_sys_sendmmsg(int fd, struct compat_mmsghdr __user *mmsg,
+				    unsigned vlen, unsigned int flags);
 asmlinkage long compat_sys_recvmsg(int fd, struct compat_msghdr __user *msg,
 				   unsigned int flags);
 asmlinkage long compat_sys_recv(int fd, void __user *buf, size_t len,