documentation: git-bisect (help HTML break man)

Use the same trick Josef used to introduce line breaks for
git-mv documentation for now, to help HTML rendering.  This
breaks manpages and we need to come up with a better solution.

Noticed by linux@horizon.com (No Name).

Signed-off-by: Junio C Hamano <junkio@cox.net>

Documentation/git-bisect.txt

@@ -8,13 +8,13 @@ git-bisect - Find the change that introduced a bug
 
 SYNOPSIS
 --------
-'git bisect' start
-'git bisect' bad <rev>
-'git bisect' good <rev>
-'git bisect' reset [<branch>]
-'git bisect' visualize
-'git bisect' replay <logfile>
-'git bisect' log
+ 'git bisect' start
+ 'git bisect' bad <rev>
+ 'git bisect' good <rev>
+ 'git bisect' reset [<branch>]
+ 'git bisect' visualize
+ 'git bisect' replay <logfile>
+ 'git bisect' log
 
 DESCRIPTION
 -----------