[tracker: 18/21] libtracker-data: Fix memory leaks

[Carlos Garnacho <carlosg src gnome org>]

commit c6ba6c243d4626cb126a803a7a73be6bfb270a8c
Author: Andrea Azzarone <andrea azzarone canonical com>
Date:   Thu Jan 24 11:08:56 2019 +0000

    libtracker-data: Fix memory leaks

 src/libtracker-data/tracker-sparql.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)
---
diff --git a/src/libtracker-data/tracker-sparql.c b/src/libtracker-data/tracker-sparql.c
index d123c6330..346da7ce7 100644
--- a/src/libtracker-data/tracker-sparql.c
+++ b/src/libtracker-data/tracker-sparql.c
@@ -270,8 +270,10 @@ tracker_sparql_expand_prefix (TrackerSparql *sparql,
                        g_hash_table_insert (sparql->prefix_map, g_strdup (ns), expanded_ns);
                }
 
-               if (!expanded_ns)
+               if (!expanded_ns) {
+                       g_free (ns);
                        return NULL;
+               }
        }
 
        g_free (ns);