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Gdesklets available on Fedora Extras

At last, gdesklets version 0.35.2 is available on Fedora Extras for all
architectures. Rawhide version did not build due to the new dependancies
caused by the modular X11R7. I fixed it by adding libXau and libXdmcp
development as Build requirement.
Thank you Fedora developers for making gdesklets possible on Fedora and I am glad to have Warren Togami as sponsor.

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