[gnome-packagekit] Do not try to map the PkClientError to a GpkDbusError if the domain is already correct. Fixes rh#598

[Richard Hughes <rhughes src gnome org>]

commit 62d8ebcff648716da82ed5339709f6c050921e78
Author: Richard Hughes <richard hughsie com>
Date:   Fri Jun 18 16:12:23 2010 +0100

    Do not try to map the PkClientError to a GpkDbusError if the domain is already correct. Fixes rh#598677

 src/gpk-dbus-task.c |    7 +++++++
 1 files changed, 7 insertions(+), 0 deletions(-)
---
diff --git a/src/gpk-dbus-task.c b/src/gpk-dbus-task.c
index 4576d01..3c73705 100644
--- a/src/gpk-dbus-task.c
+++ b/src/gpk-dbus-task.c
@@ -401,6 +401,13 @@ gpk_dbus_task_get_code_from_gerror (const GError *error)
 {
 	gint code = GPK_DBUS_ERROR_INTERNAL_ERROR;
 
+	/* already correct */
+	if (error->domain == GPK_DBUS_ERROR) {
+		code = error->code;
+		goto out;
+	}
+
+	/* not recognised */
 	if (error->domain != PK_CLIENT_ERROR) {
 		egg_warning ("Not a PkClientError error code");
 		goto out;