[tracker] TrackerExtractController: Fix DBus signature of GetStatus method

[Xavier Claessens <xclaesse src gnome org>]

commit 3c65dd6227ff328e3b52551b49cd8a907a0849c4
Author: Xavier Claessens <xavier claessens collabora com>
Date:   Fri Aug 28 10:59:52 2015 -0400

    TrackerExtractController: Fix DBus signature of GetStatus method
    
    When "wait-for-miner-fs" config is enabled, extractor calls GetStatus
    with a wrong expected return type and thus won't start extracting files
    until Files miner emits "Progress" signal.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=754246

 src/tracker-extract/tracker-extract-controller.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/src/tracker-extract/tracker-extract-controller.c 
b/src/tracker-extract/tracker-extract-controller.c
index ee4cfcb..74db8de 100644
--- a/src/tracker-extract/tracker-extract-controller.c
+++ b/src/tracker-extract/tracker-extract-controller.c
@@ -104,7 +104,7 @@ appeared_cb (GDBusConnection *connection,
                                "org.freedesktop.Tracker1.Miner",
                                "GetStatus",
                                NULL,
-                               G_VARIANT_TYPE_STRING,
+                               G_VARIANT_TYPE ("(s)"),
                                G_DBUS_CALL_FLAGS_NO_AUTO_START,
                                -1,
                                self->priv->cancellable,