[gnome-builder] configuration: Fix error in get_property function

[Matthew Leeds <mwleeds src gnome org>]

commit e5206038785205189f8520d66e1e522085443188
Author: Matthew Leeds <mleeds redhat com>
Date:   Tue Aug 9 14:05:56 2016 -0400

    configuration: Fix error in get_property function

 libide/buildsystem/ide-configuration.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/libide/buildsystem/ide-configuration.c b/libide/buildsystem/ide-configuration.c
index 8ee34cf..6115090 100644
--- a/libide/buildsystem/ide-configuration.c
+++ b/libide/buildsystem/ide-configuration.c
@@ -238,7 +238,7 @@ ide_configuration_get_property (GObject    *object,
       break;
 
     case PROP_RUNTIME_ID:
-      g_value_set_object (value, ide_configuration_get_runtime (self));
+      g_value_set_string (value, ide_configuration_get_runtime_id (self));
       break;
 
     default: