- initialize the language right after reading the strings.

src/d_main.cpp

@@ -2088,7 +2088,6 @@ static void D_DoomInit()
 
 	if (!batchrun) Printf ("M_LoadDefaults: Load system defaults.\n");
 	M_LoadDefaults ();			// load before initing other systems
-	SetLanguageIDs ();
 }
 
 //==========================================================================

src/stringtable.cpp

@@ -56,6 +56,7 @@ void FStringTable::LoadStrings ()
 	{
 		LoadLanguage (lump);
 	}
+	SetLanguageIDs();
 	UpdateLanguage();
 }