[tracker/wip/carlosg/coverity-fixes: 5/16] libtracker-data: Check return value of g_unlink

[Carlos Garnacho <carlosg src gnome org>]

commit e44bae27a661943847cdd3d059b1d3e2c84daf08
Author: Carlos Garnacho <carlosg gnome org>
Date:   Sat Oct 23 13:26:58 2021 +0200

    libtracker-data: Check return value of g_unlink
    
    Not being able to delete our own "in use" file is warning worthy.
    
    CID: #1501146

 src/libtracker-data/tracker-db-manager.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)
---
diff --git a/src/libtracker-data/tracker-db-manager.c b/src/libtracker-data/tracker-db-manager.c
index 63a7989b0..75472188b 100644
--- a/src/libtracker-data/tracker-db-manager.c
+++ b/src/libtracker-data/tracker-db-manager.c
@@ -763,7 +763,8 @@ tracker_db_manager_finalize (GObject *object)
 
        if (db_manager->in_use_filename && !readonly) {
                /* do not delete in-use file for read-only mode (direct access) */
-               g_unlink (db_manager->in_use_filename);
+               if (g_unlink (db_manager->in_use_filename) < 0)
+                       g_warning ("Could not delete '" IN_USE_FILENAME "': %m");
        }
 
        g_free (db_manager->in_use_filename);