ports-mgmt/packagekit-qt: Update to 1.1.2

Pet portclippy(1) and fix stage-qa issues.

• Changes (from NEWS) --

Features:

• Add version test macro for PackageKitQt

Bugfixes:

• offline: Make sure we allow for interactive authorization
• Allow Transaction::setHints before the transaction has started
• Fix check for PackageKit D-Bus specs
• Add missing info enum values