Visual Studio: Fix DolphinNoGUI build

Source/Core/DolphinNoGUI/DolphinNoGUI.vcxproj

@@ -34,6 +34,7 @@
   </ItemGroup>
   <Import Project="$(ExternalsDir)cpp-optparse\exports.props" />
   <Import Project="$(ExternalsDir)fmt\exports.props" />
+  <Import Project="$(ExternalsDir)glslang\exports.props" />
   <ItemGroup>
     <ClCompile Include="MainNoGUI.cpp" />
     <ClCompile Include="Platform.cpp" />