adsldp: Use --prefer_native instead of DLL_WINE_PREATTACH.

dlls/adsldp/Makefile.in

@@ -2,7 +2,7 @@ MODULE    = adsldp.dll
 IMPORTS   = ole32 oleaut32 secur32 activeds uuid
 DELAYIMPORTS = netapi32 wldap32
 
-EXTRADLLFLAGS = -mno-cygwin
+EXTRADLLFLAGS = -mno-cygwin -Wb,--prefer-native
 
 C_SRCS = \
 	adsldp.c \

dlls/adsldp/adsldp.c

@@ -2135,9 +2135,6 @@ BOOL WINAPI DllMain(HINSTANCE hinst, DWORD reason, void *reserved)
 
     switch (reason)
     {
-    case DLL_WINE_PREATTACH:
-        return FALSE; /* prefer native version */
-
     case DLL_PROCESS_ATTACH:
         adsldp_hinst = hinst;
         DisableThreadLibraryCalls(hinst);