git-gui: Fix bind errors when switching repository chooser panels

We need to remove any variable traces we may have installed
when the panel is destroyed as the trace may attempt to use
a widget that no longer exists on this panel.

Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
1 file changed
tree: 34b1755521dc6d9df03459953dcae298abd9bc76
  1. lib/
  2. macosx/
  3. po/
  4. windows/
  5. .gitignore
  6. git-gui.sh
  7. GIT-VERSION-GEN
  8. Makefile