Allow to show log of other branches if current HEAD points to an orphan branch

By @ch3cooli on October 20, 2012 16:02 (imported from Google Code)

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What steps will reproduce the problem?

1. Create a new repo, do not commit
2. Add remote
3. Fetch
4. Open Log Dialog
   or
   git clone --no-checkout
   or
   git checkout --orphan

What is the expected output? What do you see instead?
Expected: can show log of other branches
Actual: cannot show log other branches

What version of TortoiseGit and msysgit are you using? On
what operating system?
TortoiseGit 1.7.14