[evolution] Restore previously set port in mail account editor only if it was set

[Milan Crha <mcrha src gnome org>]

commit c29f4f4f081f634ebbe7c7b20d45fc4a61ba2199
Author: Milan Crha <mcrha redhat com>
Date:   Thu May 17 10:52:33 2012 +0200

    Restore previously set port in mail account editor only if it was set

 mail/em-account-editor.c |    5 +++--
 1 files changed, 3 insertions(+), 2 deletions(-)
---
diff --git a/mail/em-account-editor.c b/mail/em-account-editor.c
index a833a9b..ad32e26 100644
--- a/mail/em-account-editor.c
+++ b/mail/em-account-editor.c
@@ -2334,8 +2334,9 @@ emae_setup_settings (EMAccountEditorService *service)
 			G_BINDING_BIDIRECTIONAL |
 			G_BINDING_SYNC_CREATE);
 
-		/* restore previously saved port */
-		camel_network_settings_set_port (network_settings, port);
+		/* restore previously saved port, if set */
+		if (port > 0)
+			camel_network_settings_set_port (network_settings, port);
 	}
 
 	if (CAMEL_IS_LOCAL_SETTINGS (settings)) {