[gnome-software] trivial: Fix make check by not setting the installed state twice

[Richard Hughes <rhughes src gnome org>]

commit 9f429568c1fdc2d1f90c9eccca80a9855ba34eb2
Author: Richard Hughes <richard hughsie com>
Date:   Thu Mar 7 21:59:25 2013 +0000

    trivial: Fix make check by not setting the installed state twice

 src/plugins/gs-plugin-datadir-apps.c |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)
---
diff --git a/src/plugins/gs-plugin-datadir-apps.c b/src/plugins/gs-plugin-datadir-apps.c
index 3ed976d..4247652 100644
--- a/src/plugins/gs-plugin-datadir-apps.c
+++ b/src/plugins/gs-plugin-datadir-apps.c
@@ -240,7 +240,8 @@ gs_plugin_refine (GsPlugin *plugin, GList *list, GError **error)
                        goto out;
 
                /* we know it's installed as we read the desktop file */
-               gs_app_set_state (app, GS_APP_STATE_INSTALLED);
+               if (gs_app_get_state (app) == GS_APP_STATE_UNKNOWN)
+                       gs_app_set_state (app, GS_APP_STATE_INSTALLED);
        }
 out:
        return ret;