-- v6: gdiplus: Implement font linking for gdiplus. gdiplus/tests: Add interactive test for font linking. gdiplus: Replace HDC with GpGraphics in parameters. mlang: Fix bug with codepage priority in GetStrCodePages. mlang/tests: Test codepages priority bug in GetStrCodepages. mlang: Implement GetGlobalFontLinkObject. mlang/tests: Test for GetGlobalFontLinkObject.