Index: gmap/gmap.module
IDEA additional info:
Subsystem: com.intellij.openapi.diff.impl.patch.CharsetEP
<+>UTF-8
===================================================================
--- gmap.module	(revision 3d8043fd285ff3b851cd071d4c03d3e7aea23d62)
+++ gmap.module	(revision )
@@ -328,7 +328,8 @@
   if ($key = gmap_get_key()) {
     $query['key'] = $key;
   }
-  drupal_set_html_head('<script src="' . check_url(url('https://maps.googleapis.com/maps/' . $file, array('query' => $query))) . '" type="text/javascript"></script>');
+  $protocol = (isset($_SERVER['HTTPS']) && strtolower($_SERVER['HTTPS']) == 'on') ? 'https:' : 'http:';
+  drupal_set_html_head('<script src="'. check_url(url($protocol . '//maps.googleapis.com/maps/' . $file, array('query' => $query))) .'" type="text/javascript"></script>');
 
   $gmap_initialized = TRUE;
 }