Issue 221001: Fix for broken build on mac.

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M :	edit review message
j / k :	jump to file after / before current file
J / K :	jump to next file with a comment after / before current file
	Side-by-side diff
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c :	collapse all comments
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<Up> / <Down> :	next / previous line
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	Issue
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j / k :	jump to patch after / before current patch
o / <Enter> :	open current patch in side-by-side view
i :	open current patch in unified diff view

	Issue List
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o / <Enter> :	open current issue
# :	close issue

	Comment/message editing
<Ctrl> + s :	save comment
<Esc> :	cancel edit