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(parent: 7b6e784) | patch
difftool: silence uninitialized variable warning
authorDavid Aguilar <davvid@gmail.com>
Sat, 16 Feb 2013 05:47:43 +0000 (21:47 -0800)
committerJunio C Hamano <gitster@pobox.com>
Sun, 17 Feb 2013 22:34:38 +0000 (14:34 -0800)
commitaf14b5cf1bec831f90fb5d4136e0205de802b01b
treecb6026d2394ef403d922a720c2c76e4b5639e127tree | snapshot
parent7b6e784d70142a23b8ee031b9190e30b9d4d6845commit | diff
difftool: silence uninitialized variable warning

Git::config() returns `undef` when given keys that do not exist.
Check that the $guitool value is defined to prevent a noisy
"Use of uninitialized variable $guitool in length" warning.

Signed-off-by: David Aguilar <davvid@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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