[geary/wip/20-cert-pinning] Don't prompt for untrusted host as validation when account exists

[Michael Gratton <mjog src gnome org>]

commit 410d47eb3285ac70b9ed26687352b7b294f56cf5
Author: Michael Gratton <mike vee net>
Date:   Wed Jan 9 13:02:06 2019 +1100

    Don't prompt for untrusted host as validation when account exists

 src/client/application/geary-controller.vala | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/src/client/application/geary-controller.vala b/src/client/application/geary-controller.vala
index 62c289c6..30d1ef61 100644
--- a/src/client/application/geary-controller.vala
+++ b/src/client/application/geary-controller.vala
@@ -811,7 +811,7 @@ public class GearyController : Geary.BaseObject {
                 context.account.information,
                 service,
                 endpoint,
-                true,
+                false,
                 context.cancellable
             );
             context.tls_validation_failed = false;