shell_integration: Generate a .pdb in Release for OCContextMenu_x64.dll

shell_integration/windows/OCContextMenu/OCContextMenu.vcxproj

@@ -138,6 +138,7 @@
       <AdditionalDependencies>OCUtil_x64.lib;kernel32.lib;user32.lib;gdi32.lib;winspool.lib;comdlg32.lib;advapi32.lib;shell32.lib;ole32.lib;oleaut32.lib;uuid.lib;odbc32.lib;odbccp32.lib;%(AdditionalDependencies)</AdditionalDependencies>
       <ModuleDefinitionFile>OCContextMenu.def</ModuleDefinitionFile>
       <SubSystem>Windows</SubSystem>
+      <GenerateDebugInformation>true</GenerateDebugInformation>
     </Link>
   </ItemDefinitionGroup>
   <ItemGroup>