put executescript in try block

src/common/check_paths.py

@@ -39,16 +39,16 @@ def assert_unread_msgs_table_exists():
 	'''create table unread_messages if there is no such table'''
 	con = sqlite.connect(logger.LOG_DB_PATH) 
 	cur = con.cursor()
-	cur.executescript(
-		'''
-		CREATE TABLE unread_messages (
-			message_id INTEGER PRIMARY KEY AUTOINCREMENT UNIQUE
-		);
-		'''
-	)
 	try:
+		cur.executescript(
+			'''
+			CREATE TABLE unread_messages (
+				message_id INTEGER PRIMARY KEY AUTOINCREMENT UNIQUE
+			);
+			'''
+		)
 		con.commit()
-		gajim.logger.init_vars() # FIXME: is this needed?
+		gajim.logger.init_vars() 
 	except sqlite.OperationalError, e:
 		pass
 	con.close()