Fix missing PQclear() in libpqrcv_endstreaming().

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

Commit: 4f38a281a3d4a7cbcf9de2f676d44336d57b7717
Author: Tom Lane <tgl@sss.pgh.pa.us>
Date: 2015-02-12T00:20:49Z
Releases: 9.5.0
Fix missing PQclear() in libpqrcv_endstreaming().

This omission leaked one PGresult per WAL streaming cycle, which possibly
would never be enough to notice in the real world, but it's still a leak.

Per Coverity.  Back-patch to 9.3 where the error was introduced.

Files