Revert "git commit -m Issue"

I fail at committing from airports. :P

This reverts commit 26e0acb8.

core/modules/system/system.module

@@ -3997,7 +3997,7 @@ function _system_date_formats_build() {
   }
 
   // Get custom formats added to the database by the end user.
-  $result = db_query('SELECT df.dfid, df.format, df.type, df.locked, dfl.language FROM {date_formats} df LEFT JOIN {date_format_locale} dfl ON df.format = dfl.format AND df.type = dfl.type ORDER BY df.type, df.format');
+  $result = db_query('SELECT df.dfid, df.format, df.type, df.locked, dfl.language FROM {date_formats} df LEFT JOIN {date_format_type} dft ON df.type = dft.type LEFT JOIN {date_format_locale} dfl ON df.format = dfl.format AND df.type = dfl.type ORDER BY df.type, df.format');
   foreach ($result as $record) {
     // If this date type isn't set, initialise the array.
     if (!isset($date_formats[$record->type])) {