Fixed ILRewriter postbuild path

Author: ahillo

SharpBgfx/external-SharpBgfx.csproj

@@ -94,7 +94,7 @@
   </ItemGroup>
   <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
   <PropertyGroup>
-    <PostBuildEvent>$(ProjectDir)..\ILRewriter\bin\$(ConfigurationName)\ILRewriter.exe $(TargetPath)</PostBuildEvent>
+    <PostBuildEvent>$(ProjectDir)..\ILRewriter\bin\$(PlatformName)\$(ConfigurationName)\ILRewriter.exe $(TargetPath)</PostBuildEvent>
   </PropertyGroup>
   <!-- To modify your build process, add your task inside one of the targets below and uncomment it. 
        Other similar extension points exist, see Microsoft.Common.targets.