David Aguilar af14b5cf1b 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>

2013-02-17 14:34:38 -08:00

11 KiB

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