config doc: quote paths, fixing tilde-interpretation
config doc: quote paths, fixing tilde-interpretation

The --global section of git-config(1) currently reads like:

  For writing options: write to global /.gitconfig file rather than the
                                       ^
				       start tilde

  repository .git/config, write to $XDG_CONFIG_HOME/git/config file if
  this file exists and the/.gitconfig file doesn’t.
                          ^
			  end tilde

Instead of tilde (~) being interpreted literally, asciidoc subscripts
the text between the two tildes.  To fix this problem, use backticks (`)
to quote all the paths in the file uniformly, just like config.txt does.

Signed-off-by: Ramkumar Ramachandra <5c355d1d38066ed0c5de420d67c1b5ed0687c4bd@gmail.com>
Signed-off-by: Junio C Hamano <a6723cc3f76163bf7adb636a73ac3b0ceb3e6b9b@pobox.com>

destenson/git,destenson/git,destenson/git,destenson/git,destenson/git,destenson/git,destenson/git,destenson/git