Exclude custom convention props file from packages

Author: DanielTheCoder

src/MSBNuget.Nuget/MSBNuget/MSBNuget.nuspec

@@ -18,7 +18,7 @@
 
     <dependencies>
       <dependency id="MSBuild.MSBBuildConvention" />
-      <dependency id="NuGet.CommandLine" version="2.7.1" />
+      <dependency id="NuGet.CommandLine" version="2.7.3" />
     </dependencies>
 
   </metadata>

src/MSBNuget/nuget.targets

@@ -144,7 +144,7 @@
     </ItemGroup>
 
     <ItemGroup Condition="'$(NugetFilterOnlyConventionWellKnownFolders)' == 'false'">
-      <additionalFiles Include="$(MSBuildProjectDirectory)\%(nuspec.Filename)\**\*.*">
+      <additionalFiles Include="$(MSBuildProjectDirectory)\%(nuspec.Filename)\**\*.*" Exclude="$(MSBuildProjectDirectory)\%(nuspec.Filename)\%(nuspec.Filename).props">
         <targetFolder>%(nuspec.Filename)</targetFolder>
       </additionalFiles>
     </ItemGroup>