Ensure that only one set of callbacks exist.
authorJohn Darrington <john@darrington.wattle.id.au>
Thu, 19 Nov 2009 18:37:37 +0000 (19:37 +0100)
committerJohn Darrington <john@darrington.wattle.id.au>
Thu, 19 Nov 2009 18:37:37 +0000 (19:37 +0100)
commit03134dc262125d1785891d6111eec58ca09b3b54
tree1ceef468e5ceb1a08a510952b258d41b3fde22ec
parentc81ed3d3c60ca7d576ef9d3d9c9d6863d6f11bf5
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.
src/ui/gui/psppire-selector.c
src/ui/gui/psppire-selector.h