ipv6 mroute: Use MRT6_VERSION instead of MRT_VERSION in ip6mr.c.

MRT6_VERSION should be used instead of MRT_VERSION in ip6mr.c.

Signed-off-by: Rami Rosen <ramirose@gmail.com>
Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
diff --git a/net/ipv6/ip6mr.c b/net/ipv6/ip6mr.c
index bf268b3..0b11b37 100644
--- a/net/ipv6/ip6mr.c
+++ b/net/ipv6/ip6mr.c
@@ -1240,7 +1240,7 @@
 
 #endif
 	/*
-	 *	Spurious command, or MRT_VERSION which you cannot
+	 *	Spurious command, or MRT6_VERSION which you cannot
 	 *	set.
 	 */
 	default: