Fix Ifb93e49b
authorAlex Monk <krenair@gmail.com>
Wed, 13 Mar 2013 15:43:27 +0000 (15:43 +0000)
committerAlex Monk <krenair@gmail.com>
Wed, 13 Mar 2013 15:43:27 +0000 (15:43 +0000)
commitddee066b412c6606b90617b0dc465cb419efcd29
tree4945b5ec57952cbb4727fa9f074a90182ef390a3
parent86b1666ad2c79434f342d2bec49611086f64644d
Fix Ifb93e49b

This commit caused a PHP notice if you tried to use diff=prev with an
oldid which was the first revision of the page.

Change-Id: I4c4ccb9a0c8d82e104723a2e72f1c699e2fc249b
includes/diff/DifferenceEngine.php