IPv6/addrconf: Fix minor addrlabel thinko

Fix apparent thinko related to RTM_DELADDRLABEL, introduced by commit
2a8cc6c89039e0530a3335954253b76ed0f9339a ("[IPV6] ADDRCONF: Support
RFC3484 configurable address selection policy table.").

Signed-off-by: Tushar Gohad <tgohad@mvista.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

include/linux/rtnetlink.h

@@ -104,7 +104,7 @@ enum {
 	RTM_NEWADDRLABEL = 72,
 #define RTM_NEWADDRLABEL RTM_NEWADDRLABEL
 	RTM_DELADDRLABEL,
-#define RTM_NEWADDRLABEL RTM_NEWADDRLABEL
+#define RTM_DELADDRLABEL RTM_DELADDRLABEL
 	RTM_GETADDRLABEL,
 #define RTM_GETADDRLABEL RTM_GETADDRLABEL