[PATCH 6/9] core: Set an order when creating a relation ship

["Juan A. Suarez Romero" <jasuarez igalia com>]

When relating k1 and k2 keys, the resulting list will be related(k1&k2) =
[related(k1), related(k2)].

Signed-off-by: Juan A. Suarez Romero <jasuarez igalia com>
---
 src/grl-plugin-registry.c |    6 +++---
 1 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/grl-plugin-registry.c b/src/grl-plugin-registry.c
index c5944c5..74a4a67 100644
--- a/src/grl-plugin-registry.c
+++ b/src/grl-plugin-registry.c
@@ -845,10 +845,10 @@ grl_plugin_registry_register_metadata_relation (GrlPluginRegistry *registry,
     return;
   }
 
-  /* Merge both relations */
-  for (key1_peer = key1_partners;
+  /* Merge both relations: [related(key1), related(key2)] */
+  for (key1_peer = g_list_last (key1_partners);
        key1_peer;
-       key1_peer = g_list_next (key1_peer)) {
+       key1_peer = g_list_previous (key1_peer)) {
     /* Search key1 peer in key2 partners */
     for (key2_peer = key2_partners;
          key2_peer && key2_peer != key1_peer;
-- 
1.7.1