mips: don't bother with compat_sys_futex() wrappers

... it's COMPAT_SYSCALL_DEFINE now

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
diff --git a/arch/mips/kernel/scall64-n32.S b/arch/mips/kernel/scall64-n32.S
index 572ab50..4b33546 100644
--- a/arch/mips/kernel/scall64-n32.S
+++ b/arch/mips/kernel/scall64-n32.S
@@ -298,7 +298,7 @@
 	PTR	sys_fremovexattr
 	PTR	sys_tkill
 	PTR	sys_ni_syscall
-	PTR	sys_32_futex
+	PTR	compat_sys_futex
 	PTR	compat_sys_sched_setaffinity	/* 6195 */
 	PTR	compat_sys_sched_getaffinity
 	PTR	sys_cacheflush