Fix thirdparty file inclusion issues on D7.

gmap.module

@@ -257,7 +257,6 @@ function _gmap_base_js() {
   $ret[$path . '/js/gmap.js'] = array('weight' => 1);
   $ret[$path . '/js/icon.js'] = array('weight' => 2);
 
-  $mm = variable_get('gmap_mm_type', 'gmap');
 /*
   $mms = variable_get('gmap_markermanager', array());
   if (empty($mms[$mm])) {
@@ -279,7 +278,15 @@ function _gmap_base_js() {
 
   $ret[$path . '/js/marker.js'] = array('weight' => 2);
   $ret[$path . '/js/highlight.js'] = array('weight' => 2);
+
+  // Add the markermanager.
+  // @@@TODO Need to allow multiple inclusion and have marker manager set at the map level.
+  $mm = variable_get('gmap_mm_type', 'gmap');
+  $mms = variable_get('gmap_markermanager', array());
   $ret[$path . '/js/' . $mm . '_marker.js'] = array('weight' => 3);
+  if (isset($mms[$mm]['filename'])) {
+    $ret[$path . '/thirdparty/' . $mms[$mm]['filename']] = array('weight' => 4);
+  }
 /*
   drupal_add_js(array('gmap_markermanager' => $mms[$mm]), 'setting');
 */