[geary] Don't use "smtp_" prefix on SMTP-specific props so fallback works.

[Michael Gratton <mjog src gnome org>]

commit 17551d17f6ad6b72e456f0cf269430d99934c818
Author: Michael James Gratton <mike vee net>
Date:   Mon May 28 14:15:11 2018 +1000

    Don't use "smtp_" prefix on SMTP-specific props so fallback works.

 src/client/accounts/local-service-information.vala | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/src/client/accounts/local-service-information.vala 
b/src/client/accounts/local-service-information.vala
index 8ec16446..e70d7c28 100644
--- a/src/client/accounts/local-service-information.vala
+++ b/src/client/accounts/local-service-information.vala
@@ -12,8 +12,8 @@ public class LocalServiceInformation : Geary.ServiceInformation {
     private const string HOST = "host";
     private const string PORT = "port";
     private const string REMEMBER_PASSWORD_KEY = "remember_password";
-    private const string SMTP_NOAUTH = "smtp_noauth";
-    private const string SMTP_USE_IMAP_CREDENTIALS = "smtp_use_imap_credentials";
+    private const string SMTP_NOAUTH = "noauth";
+    private const string SMTP_USE_IMAP_CREDENTIALS = "use_imap_credentials";
     private const string SSL = "ssl";
     private const string STARTTLS = "starttls";
     private const string USERNAME_KEY = "username";