Make sure the reference count of the new cursor is increased before the old
one is decreased, otherwise bad things will happen if they're one and the
same and the reference count is 1 initially. Not sure this can actually happen
here, but better safe than sorry.
Signed-off-by: Michel Dänzer <daenzer@vmware.com>
Reviewed-by: Roland Scheidegger <sroland@vmware.com>
Signed-off-by: Keith Packard <keithp@keithp.com>
3083c5d0c4