[gnome-calendar] manager: fix refreshing condition

[Georges Basile Stavracas Neto <gbsneto src gnome org>]

commit ecb4cb24d6e30eff328ce79f0066ac3a67348d0a
Author: Georges Basile Stavracas Neto <georges stavracas gmail com>
Date:   Sat Jan 3 13:11:00 2015 -0200

    manager: fix refreshing condition
    
    GcalManager shouldn't refresh when it's not enabled or when refreshing is not supported, not strictly 
both of them.

 src/gcal-manager.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/src/gcal-manager.c b/src/gcal-manager.c
index 3acc665..56768de 100644
--- a/src/gcal-manager.c
+++ b/src/gcal-manager.c
@@ -912,7 +912,7 @@ gcal_manager_refresh (GcalManager *manager)
     {
       GcalManagerUnit *unit = l->data;
 
-      if (!unit->connected && ! e_client_check_refresh_supported (E_CLIENT (unit->client)))
+      if (!unit->connected || ! e_client_check_refresh_supported (E_CLIENT (unit->client)))
         continue;
 
       e_client_refresh (E_CLIENT (unit->client),