psppire-data-editor: Unref old data_window upon change. 20120709000503/pspp
authorBen Pfaff <blp@cs.stanford.edu>
Mon, 9 Jul 2012 06:27:52 +0000 (23:27 -0700)
committerBen Pfaff <blp@cs.stanford.edu>
Mon, 9 Jul 2012 06:27:52 +0000 (23:27 -0700)
commitc70fe01eeffe530040004eae26c655dd1682f1bf
tree95d567bc770204dad113ae6b54bf396599bf7d27
parente8fb3677342a64a1d93825e5f158d1612561a033
psppire-data-editor: Unref old data_window upon change.

Otherwise there's a reference leak.

Found by inspection; I haven't looked for clients that actually
change the data window after setting it.
src/ui/gui/psppire-data-editor.c