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

dlls/slc/Makefile.in

@@ -2,7 +2,7 @@ EXTRADEFS = -D_SLC_
 MODULE    = slc.dll
 IMPORTLIB = slc
 
-EXTRADLLFLAGS = -mno-cygwin
+EXTRADLLFLAGS = -mno-cygwin -Wb,--prefer-native
 
 C_SRCS = \
 	slc.c

dlls/slc/slc.c

@@ -76,20 +76,3 @@ HRESULT WINAPI SLOpen(HSLC *handle)
 
     return S_OK;
 }
-
-/***********************************************************************
- *             DllMain   (CLUSAPI.@)
- *
- */
-BOOL WINAPI DllMain(HINSTANCE hinstDLL, DWORD fdwReason, LPVOID lpvReserved)
-{
-    switch(fdwReason)
-    {
-    case DLL_WINE_PREATTACH:
-        return FALSE;  /* prefer native version */
-    case DLL_PROCESS_ATTACH:
-        DisableThreadLibraryCalls( hinstDLL );
-        break;
-    }
-    return TRUE;
-}