message: Add RDSplitter to project filters file as well as the project proper
diff: <ClCompile Include="$(IntDir)generated\moc_FindReplace.cpp">
  <Filter>Generated Files</Filter>
  </ClCompile>
  + <ClCompile Include="$(IntDir)generated\moc_RDSplitter.cpp">
  + <Filter>Generated Files</Filter>
  + </ClCompile>
  + <ClCompile Include="Widgets\Extended\RDSplitter.cpp">
  + <Filter>Widgets\Extended</Filter>
  + </ClCompile>
  </ItemGroup>
  <ItemGroup>
  <ClInclude Include="3rdparty\flowlayout\FlowLayout.h">
  <CustomBuild Include="Widgets\FindReplace.h">
  <Filter>Widgets</Filter>
  </CustomBuild>
  + <CustomBuild Include="Widgets\Extended\RDSplitter.h">
  + <Filter>Widgets\Extended</Filter>
  + </CustomBuild>
  </ItemGroup>
  </Project>
  \ No newline at end of file
  