fix linkage of translation files

lang/languages.xml

@@ -27,7 +27,7 @@ List of available languages for your wallet's seed:
         <language display_name="日本語" locale="ja_JP" wallet_language="Japanese" flag="/lang/flags/japan.png" qs="none"/>
         <language display_name="Nederlands" locale="nl_NL" wallet_language="English" flag="/lang/flags/netherlands.png" qs="none"/>
         <language display_name="Polski" locale="pl_PL" wallet_language="English" flag="/lang/flags/poland.png" qs="none"/>
-        <language display_name="Português (BR)" locale="pt_BR" wallet_language="Portuguese" flag="/lang/flags/brazil.png" qs="none"/>
+        <language display_name="Português (BR)" locale="pt-br_BR" wallet_language="Portuguese" flag="/lang/flags/brazil.png" qs="none"/>
         <language display_name="русский язык" locale="ru_RU" wallet_language="Russian" flag="/lang/flags/russia.png" qs="none"/>
         <language display_name="繁體中文 (台灣)" locale="zh_TW" wallet_language="English" flag="/lang/flags/taiwan.png" qs="none"/>
 </languages>

monero-wallet-gui.pro

@@ -277,7 +277,7 @@ macx {
 # translation stuff
 TRANSLATIONS =  \ # English is default language, no explicit translation file
                 $$PWD/translations/monero-core_ar.ts \ # Arabic
-                $$PWD/translations/monero-core_br.ts \ # Portuguese (Brazil)
+                $$PWD/translations/monero-core_pt-br.ts \ # Portuguese (Brazil)
                 $$PWD/translations/monero-core_de.ts \ # German
                 $$PWD/translations/monero-core_eo.ts \ # Esperanto
                 $$PWD/translations/monero-core_es.ts \ # Spanish
@@ -285,7 +285,7 @@ TRANSLATIONS =  \ # English is default language, no explicit translation file
                 $$PWD/translations/monero-core_fr.ts \ # French
                 $$PWD/translations/monero-core_hr.ts \ # Croatian
                 $$PWD/translations/monero-core_id.ts \ # Indonesian
-                $$PWD/translations/monero-core_in.ts \ # Hindi
+                $$PWD/translations/monero-core_hi.ts \ # Hindi
                 $$PWD/translations/monero-core_it.ts \ # Italian
                 $$PWD/translations/monero-core_ja.ts \ # Japanese
                 $$PWD/translations/monero-core_nl.ts \ # Dutch