From: John Darrington <john@darrington.wattle.id.au>
Date: Thu, 19 Nov 2009 18:37:37 +0000 (+0100)
Subject: Ensure that only one set of callbacks exist.
X-Git-Tag: sid-i386-build122~18
X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;ds=inline;h=03134dc262125d1785891d6111eec58ca09b3b54;hp=03134dc262125d1785891d6111eec58ca09b3b54;p=pspp-builds.git

Ensure that only one set of callbacks exist.

Remove any existing selector callbacks before adding
new ones.  Otherwise a keyclick can add 2 or more
items instead of the desired one.
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