switch spufs guts to umode_t

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
diff --git a/arch/powerpc/include/asm/spu.h b/arch/powerpc/include/asm/spu.h
index 4e360bd..c526400 100644
--- a/arch/powerpc/include/asm/spu.h
+++ b/arch/powerpc/include/asm/spu.h
@@ -237,7 +237,7 @@
 struct file;
 struct spufs_calls {
 	long (*create_thread)(const char __user *name,
-					unsigned int flags, mode_t mode,
+					unsigned int flags, umode_t mode,
 					struct file *neighbor);
 	long (*spu_run)(struct file *filp, __u32 __user *unpc,
 						__u32 __user *ustatus);