Fix a logic error in php-gettext's setlocale() check; if setlocale() failed to return, we fall back to checking LANG environment variable. Now actually works when doing a setlocale *check* instead of a *set*.

Submitting fix upstream, but as the package is currently unmaintained it may not make it in.

extlib/php-gettext/gettext.inc

@@ -129,7 +129,7 @@ function _setlocale($category, $locale) {
         $ret = 0;
         if (function_exists('setlocale')) // I don't know if this ever happens ;)
            $ret = setlocale($category, $locale);
-        if (($ret and $locale == '') or ($ret == $locale)) {
+        if ($ret and ($locale == '' or $ret == $locale)) {
             $EMULATEGETTEXT = 0;
             $CURRENTLOCALE = $ret;
         } else {