[PATCH] fbcon: Fix screen artifacts when moving cursor

When moving the cursor by writing to /dev/vcs*, the old cursor image is not
erased.  Fix by hiding the cursor first before moving the cursor to the new
position.

Signed-off-by: Antonino Daplas <adaplas@pol.net>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>