[gom] gom: Fix insertion of resources twice removed from GomResource

[Bastien Nocera <hadess src gnome org>]

commit 59d8b6f4187e4d8ed81964520617408c3e1568ad
Author: Bastien Nocera <hadess hadess net>
Date:   Tue Nov 4 13:08:53 2014 +0100

    gom: Fix insertion of resources twice removed from GomResource
    
    When inserting an object that's a child class to a child class of
    GomResource, only the first insert is actually an insert, the rest
    are updates.

 gom/gom-resource.c |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)
---
diff --git a/gom/gom-resource.c b/gom/gom-resource.c
index c076b52..762e3c3 100644
--- a/gom/gom-resource.c
+++ b/gom/gom-resource.c
@@ -610,6 +610,8 @@ gom_resource_do_save (GomResource  *resource,
          set_pkey(resource, &value);
          gom_resource_set_is_from_table(resource, TRUE);
          g_value_unset(&value);
+
+         is_insert = FALSE;
       }
 
       g_object_unref(command);