[gnome-calendar] source-dialog: Handle 401 status codes A 401 also tiggers the prompt_credentials dialog

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

commit 47cf68e7010fd9dcbb95c20db3f202c43d28fce3
Author: Ralph Plawetzki <ralph purejava org>
Date:   Tue Aug 7 08:28:59 2018 +0200

    source-dialog: Handle 401 status codes
    A 401 also tiggers the prompt_credentials dialog
    
    Fixes #287

 src/gcal-source-dialog.c | 1 +
 1 file changed, 1 insertion(+)
---
diff --git a/src/gcal-source-dialog.c b/src/gcal-source-dialog.c
index afe8a799..b1aa1d99 100644
--- a/src/gcal-source-dialog.c
+++ b/src/gcal-source-dialog.c
@@ -1532,6 +1532,7 @@ discover_sources_cb (GObject      *source,
        */
       if (!self->prompt_password &&
           (error->code == 14 ||
+           error->code == 401 ||
            error->code == 403 ||
            error->code == 405))
         {