WinRT: build fix for Windows Phone

VisualC-WinPhone/SDL/SDL_VS2012-WinPhone.vcxproj

@@ -284,6 +284,12 @@
       <CompileAsWinRT Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">true</CompileAsWinRT>
       <CompileAsWinRT Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">true</CompileAsWinRT>
     </ClCompile>
+    <ClCompile Include="..\..\src\core\winrt\SDL_winrtxaml.cpp">
+      <CompileAsWinRT Condition="'$(Configuration)|$(Platform)'=='Debug|ARM'">true</CompileAsWinRT>
+      <CompileAsWinRT Condition="'$(Configuration)|$(Platform)'=='Release|ARM'">true</CompileAsWinRT>
+      <CompileAsWinRT Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">true</CompileAsWinRT>
+      <CompileAsWinRT Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">true</CompileAsWinRT>
+    </ClCompile>
     <ClCompile Include="..\..\src\cpuinfo\SDL_cpuinfo.c" />
     <ClCompile Include="..\..\src\events\SDL_clipboardevents.c" />
     <ClCompile Include="..\..\src\events\SDL_dropevents.c" />

VisualC-WinPhone/SDL/SDL_VS2012-WinPhone.vcxproj.filters

@@ -593,6 +593,9 @@
     <ClCompile Include="..\..\src\video\winrt\SDL_winrtkeyboard.cpp">
       <Filter>Source Files</Filter>
     </ClCompile>
+    <ClCompile Include="..\..\src\core\winrt\SDL_winrtxaml.cpp">
+      <Filter>Source Files</Filter>
+    </ClCompile>
   </ItemGroup>
   <ItemGroup>
     <FxCompile Include="..\..\src\render\direct3d11\SDL_D3D11_PixelShader_FixedColor.hlsl">