Update google_helper.php

Google Maps call on line 330 uses http. I'm not sure this should ever be anyting else _but_ https but just in case, I've used is_https() to determine.

Also not sure what line 331 does?

fuel/modules/fuel/helpers/google_helper.php

@@ -327,7 +327,7 @@ function google_map_url($address, $params = array())
 
 		// set output
 		$p['output'] = 'embed';
-		$url = 'http://maps.google.com/maps?'.http_build_query($p, '', '&');
+		$url = (is_https() ? 'https': 'http' ). '://maps.google.com/maps?'.http_build_query($p, '', '&');
 		$query_str = http_build_query($p, '', '&');
 		return $url;
 	}