Fixed: Use language defined in Ryzom properties from Steam

--HG--
branch : compatibility-develop

code/ryzom/client/src/steam_client.cpp

@@ -29,6 +29,7 @@
 // prototypes definitions for Steam API functions we'll call
 typedef bool			(__cdecl *SteamAPI_InitFuncPtr)();
 typedef void			(__cdecl *SteamAPI_ShutdownFuncPtr)();
+typedef ISteamApps*		(__cdecl *SteamAppsFuncPtr)();
 typedef ISteamClient*	(__cdecl *SteamClientFuncPtr)();
 typedef ISteamFriends*	(__cdecl *SteamFriendsFuncPtr)();
 typedef ISteamUser*		(__cdecl *SteamUserFuncPtr)();
@@ -45,6 +46,7 @@ if (nl##symbol == NULL) return false
 
 NL_DECLARE_SYMBOL(SteamAPI_Init);
 NL_DECLARE_SYMBOL(SteamAPI_Shutdown);
+NL_DECLARE_SYMBOL(SteamApps);
 NL_DECLARE_SYMBOL(SteamClient);
 NL_DECLARE_SYMBOL(SteamFriends);
 NL_DECLARE_SYMBOL(SteamUser);
@@ -330,6 +332,7 @@ bool CSteamClient::init()
 	_Initialized = true;
 
 	// load more Steam functions
+	NL_LOAD_SYMBOL(SteamApps);
 	NL_LOAD_SYMBOL(SteamClient);
 	NL_LOAD_SYMBOL(SteamFriends);
 	NL_LOAD_SYMBOL(SteamUser);
@@ -339,10 +342,14 @@ bool CSteamClient::init()
 	nlSteamClient()->SetWarningMessageHook(SteamWarningMessageHook);
 
 	bool loggedOn = nlSteamUser()->BLoggedOn();
+	const char *lang = nlSteamApps()->GetCurrentGameLanguage();
 
 	nlinfo("Steam AppID: %u", nlSteamUtils()->GetAppID());
 	nlinfo("Steam login: %s", nlSteamFriends()->GetPersonaName());
 	nlinfo("Steam user logged: %s", loggedOn ? "yes":"no");
+	nlinfo("Steam language: %s", lang);
+
+	NLMISC::CI18N::setSystemLanguageCode(lang);
 
 	// don't need to continue, if not connected
 	if (!loggedOn) return false;