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>

net/tipc/node.c

diff --git a/net/tipc/node.c b/net/tipc/node.c
index 20d98c5..2c24e7d 100644
--- a/net/tipc/node.c
+++ b/net/tipc/node.c
@@ -703,7 +703,7 @@
 
 	link_info.dest = htonl(tipc_own_addr & 0xfffff00);
 	link_info.up = htonl(1);
-	sprintf(link_info.str, tipc_bclink_name);
+	strlcpy(link_info.str, tipc_bclink_name, TIPC_MAX_LINK_NAME);
 	tipc_cfg_append_tlv(buf, TIPC_TLV_LINK_INFO, &link_info, sizeof(link_info));
 
 	/* Add TLVs for any other links in scope */