vcmiclient.desktop file contains a Version field which should be set to the 1.0 instead of 0.91.
This field refers to the version of the Desktop Entry Specification and not the version of the program.
For more info about .desktop files, please read the specification here:
standards.freedesktop.org/deskto … 01s05.html
qdii.dodges.it/vcmi-0.91-desktop … sion.patch