[NETFILTER]: silence a warning in ebtables

net/bridge/netfilter/ebtables.c: In function 'ebt_dev_check':
net/bridge/netfilter/ebtables.c:89: warning: initialization discards qualifiers from pointer target type

So make the char* a const char * and the warning is gone.

Signed-off-by: Meelis Roos <[e-mail]>
Signed-off-by: David S. Miller <[e-mail]>

net/bridge/netfilter/ebtables.c

···
 static inline int ebt_dev_check(char *entry, const struct net_device *device)
 {
 	int i = 0;
-	char *devname = device->name;
+	const char *devname = device->name;
 
 	if (*entry == '\0')
 		return 0;