K 10
svn:author
V 2
ed
K 8
svn:date
V 27
2009-09-13T18:45:59.040888Z
K 7
svn:log
V 345
Make sure we never place the cursor outside the screen.

For some vague reason, it may be possible that scp->cursor_pos exceeds
scp->ysize * scp->xsize. This means that teken_set_cursor() may get
called with an invalid position. Just ignore the old cursor position in
this case.

Reported by:	Paul B. Mahol <onemda gmail com>
MFC after:	1 month

END