[evolution-ews] Treat 'Unknown' ResponseType as Needs-Action

[Milan Crha <mcrha src gnome org>]

commit 6d3dc9c50be654a9e250cfd53626f8526ff9eb70
Author: Milan Crha <mcrha redhat com>
Date:   Tue Sep 25 16:20:12 2018 +0200

    Treat 'Unknown' ResponseType as Needs-Action
    
    When creating a new meeting the attendees have returned by the server
    an 'Unknown' ResponseType, which turned into 'Unknown' in the Evolution
    UI (meeting editor). Treat it as Needs-Action instead.

 src/calendar/e-cal-backend-ews.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/src/calendar/e-cal-backend-ews.c b/src/calendar/e-cal-backend-ews.c
index bf995813..06d56fa0 100644
--- a/src/calendar/e-cal-backend-ews.c
+++ b/src/calendar/e-cal-backend-ews.c
@@ -311,7 +311,7 @@ ecb_ews_responsetype_to_partstat (const gchar *responsetype)
        else if (g_ascii_strcasecmp (responsetype, "NoResponseReceived") == 0)
                param = icalparameter_new_partstat (ICAL_PARTSTAT_NEEDSACTION);
        else if (g_ascii_strcasecmp (responsetype, "Unknown") == 0)
-               param = icalparameter_new_partstat (ICAL_PARTSTAT_NONE);
+               param = icalparameter_new_partstat (ICAL_PARTSTAT_NEEDSACTION);
 
        if (!param)
                param = icalparameter_new_partstat (ICAL_PARTSTAT_NONE);