Fix uninitialized variable warning in pqQueryDialog

Change-Id: If920359c18c0bb8a507ebf42782ca1aaed7859a0
Fix bug with selection labels in Find Data dialog

Change-Id: Ia6dfd0279a14128429675fad43e8caa637dbcc70
Merge topic 'find-data' into next

8ddac39 Fix bug with selection labels in Find Data dialog
ed95395 Fix uninitialized variable warning in pqQueryDialog