[tracker] libtracker-sparql: Use replacement for IOSchedulerJob.push() which is still deprecated

[Rico Tzschichholz <ricotz src gnome org>]

commit 8aa8759c40259ebc5daf6dca577877e55e030a2a
Author: Rico Tzschichholz <ricotz ubuntu com>
Date:   Wed May 30 14:12:46 2018 +0200

    libtracker-sparql: Use replacement for IOSchedulerJob.push() which is still deprecated

 src/libtracker-sparql-backend/tracker-backend.vala | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/src/libtracker-sparql-backend/tracker-backend.vala 
b/src/libtracker-sparql-backend/tracker-backend.vala
index 23cc27c9f..490884031 100644
--- a/src/libtracker-sparql-backend/tracker-backend.vala
+++ b/src/libtracker-sparql-backend/tracker-backend.vala
@@ -287,7 +287,7 @@ class Tracker.Sparql.Backend : Connection {
                Connection result = null;
                var context = MainContext.get_thread_default ();
 
-               g_io_scheduler_push_job (job => {
+               IOSchedulerJob.push (job => {
                        try {
                                result = get (cancellable);
                        } catch (IOError e_io) {
@@ -308,7 +308,7 @@ class Tracker.Sparql.Backend : Connection {
                        source.attach (context);
 
                        return false;
-               });
+               }, GLib.Priority.DEFAULT);
                yield;
 
                if (sparql_error != null) {