fix some bustage

xpcom/build/nsXPComInit.cpp

@@ -333,7 +333,9 @@ nsresult NS_COM NS_InitXPCOM2(nsIServiceManager* *result,
     rv = nsMemoryImpl::Startup();
     if (NS_FAILED(rv)) return rv;
 
+#ifdef XP_UNIX
     NS_StartupNativeCharsetUtils();
+#endif
     NS_StartupLocalFile();
 
     StartupSpecialSystemDirectory();
@@ -587,7 +589,9 @@ nsresult NS_COM NS_ShutdownXPCOM(nsIServiceManager* servMgr)
 
     // Shutdown nsLocalFile string conversion
     NS_ShutdownLocalFile();
+#ifdef XP_UNIX
     NS_ShutdownNativeCharsetUtils();
+#endif
 
     // Shutdown the timer thread and all timers that might still be alive before
     // shutting down the component manager