[tracker/miner-fs-multi-insert: 15/17] libtracker-bus: Fix build with Vala < 0.11

[Aleksander Morgado <aleksm src gnome org>]

commit f4c956f2da882692eb6ae252f880e6d4908729f1
Author: Jürg Billeter <j bitron ch>
Date:   Mon Oct 11 15:35:07 2010 +0200

    libtracker-bus: Fix build with Vala < 0.11

 autogen.sh                          |    2 +-
 src/libtracker-bus/tracker-bus.vala |    7 +++++--
 2 files changed, 6 insertions(+), 3 deletions(-)
---
diff --git a/autogen.sh b/autogen.sh
index c04cf49..4e919ac 100755
--- a/autogen.sh
+++ b/autogen.sh
@@ -8,7 +8,7 @@ test -z "$srcdir" && srcdir=.
 
 PKG_NAME="tracker"
 REQUIRED_AUTOMAKE_VERSION=1.11
-REQUIRED_VALA_VERSION=0.11.0
+REQUIRED_VALA_VERSION=0.9.5
 
 (test -f $srcdir/configure.ac \
   && test -f $srcdir/README) || {
diff --git a/src/libtracker-bus/tracker-bus.vala b/src/libtracker-bus/tracker-bus.vala
index 3f1f9f4..6008134 100644
--- a/src/libtracker-bus/tracker-bus.vala
+++ b/src/libtracker-bus/tracker-bus.vala
@@ -109,11 +109,14 @@ public class Tracker.Bus.Connection : Tracker.Sparql.Connection {
 
 	public async override GLib.PtrArray? update_array_async (string[] sparql, int priority = GLib.Priority.DEFAULT, Cancellable? cancellable = null) throws Sparql.Error, IOError {
 		try {
+			// helper variable necessary to work around bug in vala < 0.11
+			PtrArray result;
 			if (priority >= GLib.Priority.DEFAULT) {
-				return yield tracker_bus_fd_sparql_update_array_async (connection, sparql, cancellable);
+				result = yield tracker_bus_fd_sparql_update_array_async (connection, sparql, cancellable);
 			} else {
-				return yield tracker_bus_fd_sparql_batch_update_array_async (connection, sparql, cancellable);
+				result = yield tracker_bus_fd_sparql_batch_update_array_async (connection, sparql, cancellable);
 			}
+			return result;
 		} catch (DBus.Error e) {
 			throw new Sparql.Error.INTERNAL (e.message);
 		}