scoutfs-utils: Enable -Wpadded

The compiler will complain if it sees any padding.

Fix a spot in print.c for this.

Signed-off-by: Andy Grover <agrover@versity.com>

utils/src/print.c

@@ -671,6 +671,7 @@ out:
 struct print_recursion_args {
 	struct scoutfs_super_block *super;
 	int fd;
+	u8 __pad[4];
 };
 
 /* same as fs item but with a small header in the value */