Use LC_COLLATE instead of LC_MESSAGES if php-intl is not installed

As stated in the docs:

> LC_MESSAGES for system responses (available if PHP was compiled with libintl)

Fixes #1067

1 files changed, 2 insertions, 0 deletions

diff --git a/application/Languages.php b/application/Languages.php
index 357c7524..3eb3388f 100644
--- a/application/Languages.php
+++ b/application/Languages.php
@@ -69,6 +69,8 @@ class Languages
     {
         $this->conf = $conf;
         $confLanguage = $this->conf->get('translation.language', 'auto');
+        // Auto mode or invalid parameter, use the detected language.
+        // If the detected language is invalid, it doesn't matter, it will use English.
         if ($confLanguage === 'auto' || ! $this->isValidLanguage($confLanguage)) {
             $this->language = substr($language, 0, 5);
         } else {