[tracker-miners/wip/carlosg/test] tracker-control: Add missing return value to DBus skeleton method

[Carlos Garnacho <carlosg src gnome org>]

commit 1ba8a76670c5822ebbcbd41907462b57116f54d1
Author: Carlos Garnacho <carlosg gnome org>
Date:   Fri Oct 23 15:36:39 2020 +0200

    tracker-control: Add missing return value to DBus skeleton method
    
    Otherwise shit randomly breaks whenever IndexLocation calls are involved.
    As seen in CI.

 src/tracker-control/tracker-miner-files-index.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)
---
diff --git a/src/tracker-control/tracker-miner-files-index.c b/src/tracker-control/tracker-miner-files-index.c
index 75f15d2ed..9a5e20d84 100644
--- a/src/tracker-control/tracker-miner-files-index.c
+++ b/src/tracker-control/tracker-miner-files-index.c
@@ -168,7 +168,7 @@ update_indexed_files (TrackerMinerFilesIndex *index)
                                                              (const gchar * const *) 
priv->indexed_files->data);
 }
 
-static void
+static gboolean
 tracker_miner_files_index_handle_index_location (TrackerDBusMinerFilesIndex *skeleton,
                                                  GDBusMethodInvocation      *invocation,
                                                  const gchar                *file_uri,
@@ -205,6 +205,8 @@ tracker_miner_files_index_handle_index_location (TrackerDBusMinerFilesIndex *ske
        g_dbus_method_invocation_return_value (invocation, NULL);
 
        g_object_unref (file);
+
+       return TRUE;
 }
 
 static void