prefs window: fix potential exception
authorAndrew Chadwick <andrewc-git@piffle.org>
Thu, 31 Jan 2013 19:04:42 +0000 (19:04 +0000)
committerAndrew Chadwick <andrewc-git@piffle.org>
Thu, 31 Jan 2013 19:04:42 +0000 (19:04 +0000)
commitc1191b14d17f0cf5fe6f07234b21b1295254a011
treec357767ca0f4522e2a42db0d99613d319b686516
parentb3c0ecbba42b27d8db2871a18f35d3dd6e971301
prefs window: fix potential exception

Avoid a potential KeyError.
gui/preferenceswindow.py