[geary] Fix remember password setting not being saved.

[Michael Gratton <mjog src gnome org>]

commit f9a8b6f158390ca1d089e00a3a6e538c116e0274
Author: Michael James Gratton <mike vee net>
Date:   Mon May 28 13:59:34 2018 +1000

    Fix remember password setting not being saved.

 src/client/accounts/local-service-information.vala | 1 +
 1 file changed, 1 insertion(+)
---
diff --git a/src/client/accounts/local-service-information.vala 
b/src/client/accounts/local-service-information.vala
index 912e4a1c..d1f1ebaf 100644
--- a/src/client/accounts/local-service-information.vala
+++ b/src/client/accounts/local-service-information.vala
@@ -61,6 +61,7 @@ public class LocalServiceInformation : Geary.ServiceInformation {
         config.set_bool(SSL, this.use_ssl);
         config.set_bool(STARTTLS, this.use_starttls);
         config.set_string(USERNAME_KEY, this.credentials.user);
+        config.set_bool(REMEMBER_PASSWORD_KEY, this.remember_password);
 
         if (this.service == Geary.Service.SMTP) {
             config.set_bool(SMTP_USE_IMAP_CREDENTIALS, this.smtp_use_imap_credentials);