drivers/media/video/mt9m111.c:758:5: warning: symbol 'mt9m111_restore_state' was not declared. Should it be static?

New warning in next-20080825
Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com>
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>