client: Do not connect default connection if no ip/port present

Ignore the default connection if no srv_port and has been specified.

Change-Id: I6a3a9a0af73a9183a6b233937af3357d15a07f25
diff --git a/src/osmo_client_main.c b/src/osmo_client_main.c
index 89ef5f6..89d7e04 100644
--- a/src/osmo_client_main.c
+++ b/src/osmo_client_main.c
@@ -239,7 +239,8 @@
 	}
 
 	/* attempt to connect to the remote */
-	osmo_client_connect(&pcap_client->conn);
+	if (pcap_client->conn.srv_ip && pcap_client->conn.srv_port > 0)
+		osmo_client_connect(&pcap_client->conn);
 
 	if (daemonize) {
 		rc = osmo_daemonize();