Don't unset old-style variables in KDEInstallDirs.cmake
* Sun Jan 11 2015 Kevin Kofler <Kevin@tigcc.ticalc.org> - 1.6.0-2
- Do not unset old-style variables in KDEInstallDirs.cmake, it breaks projects
using GNUInstallDirs for some parts and KDEInstallDirs for others.