Allow hotkeys to work for non english locales again.

Tested some in fontview, charview in German lang. I'll clean it up
tomorrow, but for now there is at least working keys again for non
english folks!

export LANG=de_DE.UTF-8
fontforge
Merge pull request #710 from monkeyiq/2013sep/hk-non-english

Allow hotkeys to work for non english locales again.