unify compat fanotify_mark(2), switch to COMPAT_SYSCALL_DEFINE

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
diff --git a/arch/mips/kernel/scall64-o32.S b/arch/mips/kernel/scall64-o32.S
index 103bfe5..74f485d 100644
--- a/arch/mips/kernel/scall64-o32.S
+++ b/arch/mips/kernel/scall64-o32.S
@@ -529,7 +529,7 @@
 	PTR	sys_accept4
 	PTR	compat_sys_recvmmsg		/* 4335 */
 	PTR	sys_fanotify_init
-	PTR	sys_32_fanotify_mark
+	PTR	compat_sys_fanotify_mark
 	PTR	sys_prlimit64
 	PTR	sys_name_to_handle_at
 	PTR	compat_sys_open_by_handle_at	/* 4340 */