[tomboy] Fix crash in autosync when sync server can't be created

[Sanford Armstrong <sharm src gnome org>]

commit fa76f27e251177c3bb0d14b3fd2c1527e45d2ec3
Author: Sandy Armstrong <sanfordarmstrong gmail com>
Date:   Mon Jun 7 03:20:54 2010 -0700

    Fix crash in autosync when sync server can't be created
    
    https://bugzilla.gnome.org/show_bug.cgi?id=620812

 Tomboy/Synchronization/SyncManager.cs |   13 ++++++++++++-
 1 files changed, 12 insertions(+), 1 deletions(-)
---
diff --git a/Tomboy/Synchronization/SyncManager.cs b/Tomboy/Synchronization/SyncManager.cs
index 45166fd..0f6d1cc 100644
--- a/Tomboy/Synchronization/SyncManager.cs
+++ b/Tomboy/Synchronization/SyncManager.cs
@@ -292,7 +292,17 @@ namespace Tomboy.Sync
 			var addin = GetConfiguredSyncService ();
 			if (addin != null) {
 				// TODO: block sync while checking
-				var server = addin.CreateSyncServer ();
+				SyncServer server = null;
+				try {
+					server = addin.CreateSyncServer ();
+					if (server == null)
+						throw new Exception ("addin.CreateSyncServer () returned null");
+				} catch (Exception e) {
+					Logger.Debug ("BackgroundSyncChecker: Exception while creating SyncServer: {0}\n{1}", e.Message, e.StackTrace);
+					addin.PostSyncCleanup ();// TODO: Needed?
+					return;
+					// TODO: Figure out a clever way to get the specific error up to the GUI
+				}
 				bool serverHasUpdates = false;
 				bool clientHasUpdates = client.DeletedNoteTitles.Count > 0;
 				if (!clientHasUpdates) {
@@ -313,6 +323,7 @@ namespace Tomboy.Sync
 				} catch {
 					// TODO: A libnotify bubble might be nice
 					Logger.Debug ("BackgroundSyncChecker: Error connecting to server");
+					addin.PostSyncCleanup ();
 					return;
 				}