tipc: fix non-const printf format arguments

Fix warnings from current gcc about using non-const strings as printf
args in TIPC. Compile tested only (not a TIPC user).

Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/tipc/bcast.c b/net/tipc/bcast.c
index 3ddaff4..a3bfd40 100644
--- a/net/tipc/bcast.c
+++ b/net/tipc/bcast.c
@@ -119,7 +119,7 @@
 static struct link *bcl = NULL;
 static DEFINE_SPINLOCK(bc_lock);
 
-char tipc_bclink_name[] = "multicast-link";
+const char tipc_bclink_name[] = "multicast-link";
 
 
 static u32 buf_seqno(struct sk_buff *buf)
@@ -800,7 +800,7 @@
 	tipc_link_set_queue_limits(bcl, BCLINK_WIN_DEFAULT);
 	bcl->b_ptr = &bcbearer->bearer;
 	bcl->state = WORKING_WORKING;
-	sprintf(bcl->name, tipc_bclink_name);
+	strlcpy(bcl->name, tipc_bclink_name, TIPC_MAX_LINK_NAME);
 
 	if (BCLINK_LOG_BUF_SIZE) {
 		char *pb = kmalloc(BCLINK_LOG_BUF_SIZE, GFP_ATOMIC);