[VLAN]: Eliminate gcc warnings with PROC_FS=n

Signed-off-by: Randy Dunlap <rddunlap@osdl.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

net/8021q/vlanproc.h

@@ -11,8 +11,8 @@ void vlan_proc_cleanup (void);
 
 #define vlan_proc_init()	(0)
 #define vlan_proc_cleanup()	do {} while(0)
-#define vlan_proc_add_dev(dev)	((void)(dev), 0)
-#define vlan_proc_rem_dev(dev)	((void)(dev), 0)
+#define vlan_proc_add_dev(dev)	({(void)(dev), 0;})
+#define vlan_proc_rem_dev(dev)	({(void)(dev), 0;})
 
 #endif