Update transifex config file

Author: sledgehammer999

.tx/config

@@ -19,7 +19,8 @@ mode = developer
 
 [qbittorrent.qbittorrent_webui]
 file_filter = src/webui/www/translations/webui_<lang>.ts
-source_file = dist/unix/qbittorrent.desktop
+lang_map = pt: pt_PT
+source_file = src/webui/www/translations/webui_en.ts
 source_lang = en
 type = QT
 minimum_perc = 23