bgpd: cleanup, use correct buffer sizes for sockunion2str()

Signed-off-by: Jorge Boncompte [DTI2] <jorge@dti2.net>
Signed-off-by: David Lamparter <equinox@diac24.net>
diff --git a/bgpd/bgp_network.c b/bgpd/bgp_network.c
index a7dca53..73234fe 100644
--- a/bgpd/bgp_network.c
+++ b/bgpd/bgp_network.c
@@ -185,7 +185,7 @@
     zlog_debug ("[Event] Make dummy peer structure until read Open packet");
 
   {
-    char buf[SU_ADDRSTRLEN + 1];
+    char buf[SU_ADDRSTRLEN];
 
     peer = peer_create_accept (peer1->bgp);
     SET_FLAG (peer->sflags, PEER_STATUS_ACCEPT_PEER);