[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 <mroos@linux.ee>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/bridge/netfilter/ebtables.c b/net/bridge/netfilter/ebtables.c
index 3df55b2..9f85666 100644
--- a/net/bridge/netfilter/ebtables.c
+++ b/net/bridge/netfilter/ebtables.c
@@ -86,7 +86,7 @@
 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;