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

dlls/evr/Makefile.in

@@ -3,7 +3,7 @@ IMPORTLIB = evr
 IMPORTS   = mfuuid strmiids strmbase uuid dxguid ole32 oleaut32 user32 d3d9 dxva2
 DELAYIMPORTS = mfplat
 
-EXTRADLLFLAGS = -mno-cygwin
+EXTRADLLFLAGS = -mno-cygwin -Wb,--prefer-native
 
 C_SRCS = \
 	evr.c \

dlls/evr/main.c

@@ -36,16 +36,15 @@ static HINSTANCE instance_evr;
 
 BOOL WINAPI DllMain(HINSTANCE instance, DWORD reason, LPVOID reserved)
 {
-    if (reason == DLL_WINE_PREATTACH)
-        return FALSE; /* prefer native version */
-    else if (reason == DLL_PROCESS_ATTACH)
+    switch (reason)
     {
-        instance_evr = instance;
+    case DLL_PROCESS_ATTACH:
         DisableThreadLibraryCalls(instance);
-    }
-    else if (reason == DLL_PROCESS_DETACH && !reserved)
-    {
+        break;
+    case DLL_PROCESS_DETACH:
+        if (reserved) break;
         strmbase_release_typelibs();
+        break;
     }
     return TRUE;
 }