Log Dialog sometimes forgets the dialog height

By @ch3cooli on December 16, 2012 08:47 (imported from Google Code)

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What steps will reproduce the problem?

1. I am using 1366x768 or 1280x800 screen, which is not high enough
2. Open log dialog with commits with multi-line message
3. Message view's height is automatically increased to show message as full as possible

What is the expected output? What do you see instead?
Expected: Allow to disable this behaviour
Actual: Message view's height is automatically increased, I have to make it smaller by dragging the splitter

What version of TortoiseGit and msysgit are you using? On
what operating system?
TortoiseGit 1.7.15
Win 7 x64

Please provide any additional information below.
This is not always reproducible.
Add a checkbox to disable this behaviour, in Log Dialog or Settings Dialog