widl: Allow pointer attributes to be applied to function pointers.

[wine] / tools / wine.desktop

[Desktop Entry]
Type=Application
Name=Wine Windows Emulator
Name[de]=Wine Windows-Emulator
Name[es]=Emulador Windows de Wine
Name[nl]=Wine Windows-emulator
Name[sv]=Windows-emulatorn Wine
Name[ru]=Wine Эмулятор Windows
Name[fr]=Émulateur Windows Wine
Exec=wine start /unix %f
MimeType=application/x-ms-dos-executable;application/x-msdos-program;application/x-msdownload;application/exe;application/x-exe;application/dos-exe;vms/exe;application/x-winexe;application/msdos-windows;application/x-zip-compressed;application/x-executable;
NoDisplay=true