[PATCH] macintosh/therm_windtunnel: replace schedule_timeout() with msleep_interruptible()

Use msleep_interruptible() instead of schedule_timeout() to guarantee the
task delays as expected.
Signed-off-by: Nishanth Aravamudan <nacc@us.ibm.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

drivers/macintosh/therm_windtunnel.c

@@ -292,8 +292,7 @@ control_loop( void *dummy )
 	while( x.running ) {
 		up( &x.lock );
 
-		set_current_state(TASK_INTERRUPTIBLE);
-		schedule_timeout( 8*HZ );
+		msleep_interruptible(8000);
 		
 		down( &x.lock );
 		poll_temp();