file nesting include ( (#1224)

Author: zachdean

src/Verify/buildTransitive/Verify.targets

@@ -2,11 +2,11 @@
 <Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <ItemGroup>
     <None Update="**\*.received.*;**\*.verified.*" Condition="$(Language) == 'C#'">
-      <ParentFile>$([System.String]::Copy('%(FileName)').Split('.')[0])</ParentFile>
+      <ParentFile>$([System.String]::Copy('%(FileName)').Split('.')[0].Split('(')[0])</ParentFile>
       <DependentUpon>%(ParentFile).cs</DependentUpon>
     </None>
     <None Update="**\*.received.*;**\*.verified.*" Condition="$(Language) == 'VB'">
-      <ParentFile>$([System.String]::Copy('%(FileName)').Split('.')[0])</ParentFile>
+      <ParentFile>$([System.String]::Copy('%(FileName)').Split('.')[0].Split('(')[0])</ParentFile>
       <DependentUpon>%(ParentFile).vb</DependentUpon>
     </None>
     <None Include="**\*.received.*;**\*.verified.*" Condition="$(Language) == 'F#'">