[gnome-boxes] configure: Require valac >= 0.17.3

[Zeeshan Ali Khattak <zeeshanak src gnome org>]

commit be4843e9162c02a75c6f438dd0712e9cd9584ef8
Author: Zeeshan Ali (Khattak) <zeeshanak gnome org>
Date:   Thu Dec 6 02:35:51 2012 +0200

    configure: Require valac >= 0.17.3
    
    Dump valac requirement by 1 micro to be able to use asynchronous
    creation methods.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=676537

 configure.ac |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index 75ed627..903b44f 100644
--- a/configure.ac
+++ b/configure.ac
@@ -87,7 +87,7 @@ VALA_ADD_CHECKFILE([src/gnome_boxes_search_provider_vala.stamp])
 
 VALA_ADD_CHECKFILE([libgd/gd-1.0.vapi])
 
-VALA_CHECK([0.17.2], [
+VALA_CHECK([0.17.3], [
   clutter-gtk-1.0
   cogl-1.0
   gdk-pixbuf-2.0