Issue #1927492 by DuaelFr, podarok: Fixed Notice undefined index markermode in...

Issue #1927492 by DuaelFr, podarok: Fixed Notice undefined index markermode in gmap_plugin_style_gmap().inc.

gmap_plugin_style_gmap.inc

@@ -270,7 +270,7 @@ class gmap_plugin_style_gmap extends views_plugin_style {
           if ($this->options['enablermt']) {
             $marker['rmt'] = $row->{$rmt_field};
           }
-          else {
+          elseif (!empty($defaults['markermode'])) {
             // Marker mode: popup.
             if ($defaults['markermode'] == 1) {
               $marker['text'] = $this->row_plugin->render($row);