[Tracker] r663 TST leaks memory

["Tshepang Lekhonkhobe" <tshepang gmail com>]

(Me can't file a bug so am reporting the issue here and sorry if this
is already reported)

tracker-search-tool seems not to free some meory. Do a search that
returns loads of results and cycle through them (next, next, next,
previous, previous, and so on) and watch how hungry the tool gets.

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floss-and-misc.blogspot.com