[gtk+] Visual Studio builds: Update GSK project

[Chun-wei Fan <fanchunwei src gnome org>]

commit f31aad39632685b8550a3b14db68adb740680c06
Author: Chun-wei Fan <fanchunwei src gnome org>
Date:   Fri Jan 20 18:35:52 2017 +0800

    Visual Studio builds: Update GSK project
    
    Another GSK Vulkan renderer source was added for the build, so include it
    here.

 win32/vs12/gsk-4.vcxproj.filtersin |    1 +
 win32/vs12/gsk-4.vcxprojin         |    4 ++++
 2 files changed, 5 insertions(+), 0 deletions(-)
---
diff --git a/win32/vs12/gsk-4.vcxproj.filtersin b/win32/vs12/gsk-4.vcxproj.filtersin
index 6b1fb7d..7d6987c 100644
--- a/win32/vs12/gsk-4.vcxproj.filtersin
+++ b/win32/vs12/gsk-4.vcxproj.filtersin
@@ -22,6 +22,7 @@
 #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\gskvulkanboxshadowpipeline.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>
diff --git a/win32/vs12/gsk-4.vcxprojin b/win32/vs12/gsk-4.vcxprojin
index bdad398..db6f34d 100644
--- a/win32/vs12/gsk-4.vcxprojin
+++ b/win32/vs12/gsk-4.vcxprojin
@@ -264,6 +264,10 @@
      <ExcludedFromBuild Condition="'$(Configuration)'=='Debug'">true</ExcludedFromBuild>
      <ExcludedFromBuild Condition="'$(Configuration)'=='Release'">true</ExcludedFromBuild>
    </ClCompile>
+   <ClCompile Include="..\..\gsk\gskvulkanboxshadowpipeline.c">
+     <ExcludedFromBuild Condition="'$(Configuration)'=='Debug'">true</ExcludedFromBuild>
+     <ExcludedFromBuild Condition="'$(Configuration)'=='Release'">true</ExcludedFromBuild>
+   </ClCompile>
    <ClCompile Include="..\..\gsk\gskvulkanclip.c">
      <ExcludedFromBuild Condition="'$(Configuration)'=='Debug'">true</ExcludedFromBuild>
      <ExcludedFromBuild Condition="'$(Configuration)'=='Release'">true</ExcludedFromBuild>