__register_binfmt() made void

Just don't pass NULL to it - nobody does, anyway.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
diff --git a/fs/binfmt_em86.c b/fs/binfmt_em86.c
index b8e8b0a..2790c7e 100644
--- a/fs/binfmt_em86.c
+++ b/fs/binfmt_em86.c
@@ -100,7 +100,8 @@
 
 static int __init init_em86_binfmt(void)
 {
-	return register_binfmt(&em86_format);
+	register_binfmt(&em86_format);
+	return 0;
 }
 
 static void __exit exit_em86_binfmt(void)