feature 2773: add pwg_db_close() method

git-svn-id: http://piwigo.org/svn/trunk@18634 68402e56-0260-453c-a942-63ccdbb3a9ee

admin/include/functions.php

@@ -1676,7 +1676,7 @@ function create_table_add_character_set($query)
   defined('DB_CHARSET') or fatal_error('create_table_add_character_set DB_CHARSET undefined');
   if ('DB_CHARSET'!='')
   {
-    if ( version_compare(mysql_get_server_info(), '4.1.0', '<') )
+    if ( version_compare(pwg_get_db_version(), '4.1.0', '<') )
     {
       return $query;
     }

i.php

@@ -518,7 +518,7 @@ else
 {
   $page['rotation_angle'] = 0;
 }
-mysql_close($pwg_db_link);
+pwg_db_close($pwg_db_link);
 
 if (!try_switch_source($params, $src_mtime) && $params->type==IMG_CUSTOM)
 {

include/dblayer/functions_mysql.inc.php

@@ -178,6 +178,11 @@ function pwg_db_insert_id($table=null, $column='id')
   return mysql_insert_id();
 }
 
+function pwg_db_close($link=null)
+{
+  return mysql_close($link);
+}
+
 /**
  *
  * complex functions