Log file is locked if the conversion fails on VSS open

[GoogleCodeExporter]

What steps will reproduce the problem:
1. Open with VSS the SourceSafe database you want to convert with Vss2Git 
2. Start the conversion 
3. Conversion will fail as the VSS database is open
4. It is no more possible to start the conversion as the Vss2Git log file is 
locked

Workaround:
1. Close Vss2Git application
2. Close VSS
3. Restart Vss2Git
4. Restart the conversion

What version of the product are you using? 1.0.10

On what operating system? Windows XP SP3

Please provide any additional information below.

Original issue reported on code.google.com by jacques....@besi.com on 20 Jul 2012 at 6:02