Add FileSystemService source files to project filters

Author: funap

Explorer.vcxproj.filters

@@ -108,6 +108,9 @@
     <ClCompile Include="src\Explorer\Settings.cpp">
       <Filter>src\Explorer</Filter>
     </ClCompile>
+    <ClCompile Include="src\Explorer\FileSystemService.cpp">
+      <Filter>src\Explorer</Filter>
+    </ClCompile>
   </ItemGroup>
   <ItemGroup>
     <ResourceCompile Include="src\Explorer\version.rc">
@@ -253,6 +256,9 @@
     <ClInclude Include="src\Explorer\Settings.h">
       <Filter>src\Explorer</Filter>
     </ClInclude>
+    <ClInclude Include="src\Explorer\FileSystemService.h">
+      <Filter>src\Explorer</Filter>
+    </ClInclude>
   </ItemGroup>
   <ItemGroup>
     <Image Include="src\Explorer\res\explore.bmp">