add missing win32 constant for old win sdk

Zhao Yuhang

2025-03-11 c00e986f38dbc4843d92cc76a385f826658c1e03

 share/msbuild/QWindowKit.props.in

@@ -15,4 +15,7 @@
      <AdditionalDependencies Condition="'$(Configuration)'=='Release'">@MSBUILD_QWK_LIBRARY_LIST_RELEASE@;%(AdditionalDependencies);</AdditionalDependencies>
    </Link>
  </ItemDefinitionGroup>
  <PropertyGroup>
    @MSBUILD_QWK_STATIC_MACRO@
  </PropertyGroup>
</Project>