[tracker] libtracker-direct: Fix use_count on failed initialization

[Jürg Billeter <juergbi src gnome org>]

commit 6786b384aa50a21aadc4eaca22061bcff012e572
Author: Jürg Billeter <j bitron ch>
Date:   Fri Jun 3 15:46:12 2011 +0200

    libtracker-direct: Fix use_count on failed initialization

 src/libtracker-direct/tracker-direct.vala |    7 +++++++
 1 files changed, 7 insertions(+), 0 deletions(-)
---
diff --git a/src/libtracker-direct/tracker-direct.vala b/src/libtracker-direct/tracker-direct.vala
index 3ad7dce..55ed05e 100644
--- a/src/libtracker-direct/tracker-direct.vala
+++ b/src/libtracker-direct/tracker-direct.vala
@@ -19,6 +19,7 @@
 
 public class Tracker.Direct.Connection : Tracker.Sparql.Connection {
 	static int use_count;
+	bool initialized;
 
 	public Connection () throws Sparql.Error, IOError, DBusError {
 		DBManager.lock ();
@@ -36,6 +37,7 @@ public class Tracker.Direct.Connection : Tracker.Sparql.Connection {
 			}
 
 			use_count++;
+			initialized = true;
 		} catch (Error e) {
 			throw new Sparql.Error.INTERNAL (e.message);
 		} finally {
@@ -44,6 +46,11 @@ public class Tracker.Direct.Connection : Tracker.Sparql.Connection {
 	}
 
 	~Connection () {
+		if (!initialized) {
+			// use_count did not get increased if initialization failed
+			return;
+		}
+
 		// Clean up connection
 		DBManager.lock ();