Another Vulkan renderer source was added, so include them in the builds.
<ItemGroup>
#include "gsk-4.vs12.sourcefiles.filters"
<ClCompile Include="..\..\gsk\gskvulkanblendpipeline.c"><Filter>Source Files</Filter></ClCompile>
+ <ClCompile Include="..\..\gsk\gskvulkanborderpipeline.c"><Filter>Source Files</Filter></ClCompile>
<ClCompile Include="..\..\gsk\gskvulkanbuffer.c"><Filter>Source Files</Filter></ClCompile>
<ClCompile Include="..\..\gsk\gskvulkanclip.c"><Filter>Source Files</Filter></ClCompile>
<ClCompile Include="..\..\gsk\gskvulkancolorpipeline.c"><Filter>Source Files</Filter></ClCompile>
<ExcludedFromBuild Condition="'$(Configuration)'=='Debug'">true</ExcludedFromBuild>
<ExcludedFromBuild Condition="'$(Configuration)'=='Release'">true</ExcludedFromBuild>
</ClCompile>
+ <ClCompile Include="..\..\gsk\gskvulkanborderpipeline.c">
+ <ExcludedFromBuild Condition="'$(Configuration)'=='Debug'">true</ExcludedFromBuild>
+ <ExcludedFromBuild Condition="'$(Configuration)'=='Release'">true</ExcludedFromBuild>
+ </ClCompile>
<ClCompile Include="..\..\gsk\gskvulkanbuffer.c">
<ExcludedFromBuild Condition="'$(Configuration)'=='Debug'">true</ExcludedFromBuild>
<ExcludedFromBuild Condition="'$(Configuration)'=='Release'">true</ExcludedFromBuild>