update content.pipeline projects

Content.Pipeline/DDSImporter/DDSImporter.NETSTANDARD.csproj

@@ -33,6 +33,8 @@
     <Compile Include="DDSPixelFormat.cs" />
     <Compile Include="DDSProcessor.cs" />
     <Compile Include="DXT1Block.cs" />
+  </ItemGroup>
+  <ItemGroup>
     <Compile Include="Properties\AssemblyInfo.cs" />
   </ItemGroup>
 </Project>

Content.Pipeline/GraphicsImporters/GraphicsImporters.NETSTANDARD.csproj

@@ -36,6 +36,8 @@
     <Compile Include="Serialization\DynamicIndexBufferWriter.cs" />
     <Compile Include="Serialization\DynamicModelWriter.cs" />
     <Compile Include="Serialization\DynamicVertexBufferWriter.cs" />
+  </ItemGroup>
+  <ItemGroup>
     <Compile Include="Properties\AssemblyInfo.cs" />
   </ItemGroup>
 </Project>