ipaccess: The proxy code checked the array but not the element

Array compared against 0 (NO_EFFECT)
array_null: Comparing an array to null is not useful: "ipbc->bsc_rsl_conn".

Fixes: Coverity CID 1040718
diff --git a/openbsc/src/ipaccess/ipaccess-proxy.c b/openbsc/src/ipaccess/ipaccess-proxy.c
index 0f03e4e..9ab4ebb 100644
--- a/openbsc/src/ipaccess/ipaccess-proxy.c
+++ b/openbsc/src/ipaccess/ipaccess-proxy.c
@@ -647,7 +647,7 @@
 			logp_ipbc_uid(DLINP, LOGL_NOTICE, ipbc, priv_nr >> 8);
 			LOGPC(DLINP, LOGL_NOTICE, "RSL Trying to reconnect\n");
 			ipbc->bsc_rsl_conn[i] = connect_bsc(&sin, priv_nr, ipbc);
-			if (!ipbc->bsc_rsl_conn)
+			if (!ipbc->bsc_rsl_conn[i])
 				goto reschedule;
 			logp_ipbc_uid(DLINP, LOGL_NOTICE, ipbc, priv_nr >> 8);
 			LOGPC(DLINP, LOGL_NOTICE, "RSL Reconnected\n");