Update to upstream release 17.12
Details:
- New release 17.12, changelog on http://www.codeblocks.org/downloads/binaries/changelog
- This includes fixes for stability of the application which should allow to close bug #223826 and bug #197888
PR: 224835
Submitted by: lbartoletti@tuxfamily.org (maintainer)
MFH: 2018Q1