cmake: fix uses of undefined macro identifiers (-Wundef)

src/render/direct3d11/SDL_render_winrt.cpp

@@ -20,7 +20,7 @@
 */
 #include "../../SDL_internal.h"
 
-#if SDL_VIDEO_RENDER_D3D11 && !SDL_RENDER_DISABLED
+#if defined(SDL_VIDEO_RENDER_D3D11) && !defined(SDL_RENDER_DISABLED)
 
 #include "SDL_syswm.h"
 #include "../../video/winrt/SDL_winrtvideo_cpp.h"
@@ -83,7 +83,7 @@ D3D11_GetCurrentRotation()
 
     switch (currentOrientation) {
 
-#if WINAPI_FAMILY == WINAPI_FAMILY_PHONE_APP
+#if SDL_WINAPI_FAMILY_PHONE
     /* Windows Phone rotations */
     case DisplayOrientations::Landscape:
         return DXGI_MODE_ROTATION_ROTATE90;
@@ -103,7 +103,7 @@ D3D11_GetCurrentRotation()
         return DXGI_MODE_ROTATION_ROTATE180;
     case DisplayOrientations::PortraitFlipped:
         return DXGI_MODE_ROTATION_ROTATE90;
-#endif /* WINAPI_FAMILY == WINAPI_FAMILY_PHONE_APP */
+#endif /* SDL_WINAPI_FAMILY_PHONE */
     }
 
     return DXGI_MODE_ROTATION_IDENTITY;