fix: AUR -> ignoring downgrade warnings for different locales

CHANGELOG.md

@@ -16,6 +16,8 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
 - Not retrieving the system default locale to translate the application texts
 - Not updating translations when the default locale is different from 'en'
 - Installed button available after a recent installation if a new search is done
+- AUR:
+    - ignoring downgrade warnings for different locales
 
 ## [0.6.1] 2019-09-26
 ### Improvements

bauh/gems/arch/controller.py

@@ -425,7 +425,7 @@ class ArchManager(SoftwareManager):
 
         # building main package
         handler.watcher.change_substatus(self.i18n['arch.building.package'].format(bold(pkgname)))
-        pkgbuilt, output = handler.handle_simple(SimpleProcess(['makepkg', '-ALcsmf'], cwd=project_dir, lang=None))
+        pkgbuilt, output = handler.handle_simple(SimpleProcess(['makepkg', '-ALcsmf'], cwd=project_dir))
         self._update_progress(handler.watcher, 65, change_progress)
 
         if pkgbuilt: