fwpuclnt: Use --prefer-native instead of DLL_WINE_PREATTACH.

dlls/fwpuclnt/Makefile.in

 MODULE    = fwpuclnt.dll
 
-EXTRADLLFLAGS = -mno-cygwin
+EXTRADLLFLAGS = -mno-cygwin -Wb,--prefer-native
 
 C_SRCS = \
 	main.c

dlls/fwpuclnt/main.c

@@ -26,24 +26,6 @@
 
 WINE_DEFAULT_DEBUG_CHANNEL(fwpuclnt);
 
-/*****************************************************
- * DllMain
- */
-BOOL WINAPI DllMain(HINSTANCE hinstDLL, DWORD fdwReason, LPVOID lpvReserved)
-{
-    TRACE("(%p, %d, %p)\n", hinstDLL, fdwReason, lpvReserved);
-
-    switch (fdwReason)
-    {
-    case DLL_WINE_PREATTACH:
-        return FALSE;  /* prefer native version */
-    case DLL_PROCESS_ATTACH:
-        DisableThreadLibraryCalls( hinstDLL );
-        break;
-    }
-    return TRUE;
-}
-
 /***********************************************************************
  *   FwpmFreeMemory0 (FWPUCLNT.@)
  *