fuse: reduce max out args

The third out-arg is never actually used.

Signed-off-by: Miklos Szeredi <mszeredi@suse.cz>
diff --git a/fs/fuse/fuse_i.h b/fs/fuse/fuse_i.h
index 416fee2..351c098 100644
--- a/fs/fuse/fuse_i.h
+++ b/fs/fuse/fuse_i.h
@@ -213,7 +213,7 @@
 	unsigned numargs;
 
 	/** Array of arguments */
-	struct fuse_arg args[3];
+	struct fuse_arg args[2];
 };
 
 /** FUSE page descriptor */