fix haproxy port: take the 1st line

inc_haproxy_cfg.sh

@@ -140,8 +140,8 @@ function getStatsBaseUrl(){
     local mysection=$( detectStatsSection )
 
     # read config
-    port=$( getCfgVar "bind"  "${mysection}" | cut -f 2 -d ":")
-    auth=$( getCfgVar "stats" "${mysection}" | grep "^auth" | cut -f 2- -d " " )
+    port=$( getCfgVar "bind"  "${mysection}" | cut -f 2 -d ":" | head -1 )
+    auth=$( getCfgVar "stats" "${mysection}" | grep "^auth" | cut -f 2- -d " " | head -1 )
 
     # build url
     url="$proto://"