[tracker: 3/3] Merge branch 'wip/carlosg/fix-blank-node-labels' into 'master'

[Sam Thursfield <sthursfield src gnome org>]

commit ea4b82d39edd172982c816371f8a31c96999ea9c
Merge: 217c4eab9 853c98c00
Author: Sam Thursfield <sam afuera me uk>
Date:   Mon May 18 20:53:29 2020 +0000

    Merge branch 'wip/carlosg/fix-blank-node-labels' into 'master'
    
    libtracker-data: Fix (again) blank node lifetime handling
    
    See merge request GNOME/tracker!251

 src/libtracker-data/tracker-sparql.c              | 30 +++++++++++++++++------
 tests/libtracker-data/tracker-sparql-blank-test.c |  4 +++
 2 files changed, 27 insertions(+), 7 deletions(-)
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