Bug#1055797: KDbg 3.1.0 released

[Sebastian Pipping]

Quick update: KDbg 3.1.0 has been released [1] upstream today.  That 
should now allow packaging of KDbg with a downstream patch count of zero 
in Debian.

[1] https://github.com/j6t/kdbg/releases/tag/kdbg-3.1.0