diff --git a/public/engine/IEngineService.h b/public/engine/IEngineService.h
index e5e30475..ac4acf60 100644
--- a/public/engine/IEngineService.h
+++ b/public/engine/IEngineService.h
@@ -96,14 +96,14 @@ public:
 	virtual void		RegisterPrerequisite( IPrerequisite * ) = 0;
 	
 	// Same methods as ILocalize
-	virtual LocalizeStringIndex_t FindLocalizeTokenIndex(const char *tokenName) = 0;
+	virtual LocalizeStringIndex_t LookupLocalizationToken(const char *tokenName) = 0;
 
 	// Same methods as IVEngineServer2 
 	virtual void		SetFrameTimeAmnesty( const char *amnesty, int, float frametime ) = 0;
 	virtual const char *GetFrameTimeAmnesty( bool check_cvar ) = 0;
 	virtual void		unk301() = 0;
 #ifdef _LINUX
-	virtual void		unk302() = 0;
+	virtual void		UnregisterPrerequisite( IPrerequisite * ) = 0;
 #endif
 };
 
diff --git a/public/localize/ilocalize.h b/public/localize/ilocalize.h
index cd3bdfd8..47e27d9f 100644
--- a/public/localize/ilocalize.h
+++ b/public/localize/ilocalize.h
@@ -17,7 +17,7 @@
 
 // unicode character type
 // for more unicode manipulation functions #include <wchar.h>
-#ifndef _WCHAR_T_DEFINED
+#if !defined(_WCHAR_T_DEFINED) && !defined(GNUC)
 typedef unsigned short wchar_t;
 #define _WCHAR_T_DEFINED
 #endif