Fix tqueue.c's range-remapping code.

Tom Lane <tgl@sss.pgh.pa.us>

Commit: bf4ae685ae6f37b7fe83336abacf44298431b2f0
Author: Tom Lane <tgl@sss.pgh.pa.us>
Date: 2016-07-29T18:13:19Z
Releases: 9.6.0
Fix tqueue.c's range-remapping code.

It's depressingly clear that nobody ever tested this.

Files