Update dtkgui to version 5.5.17.1 / rev 4 via SR 910882
https://build.opensuse.org/request/show/910882
by user hillwood + RBrownSUSE
- Update pkgconfig profile version to 5.5
- Update version to 5.5.17.1
* Update abi json file
* Add memory leak detection parameters
* fix: DGuiApplicationHelper::setSingleInstance start multiple instances
* fix: eliminate warning (forwarded request 910667 from hillwood)