staging: olpc_dcon: olpc_dcon: Fix spaces between operator and variables.

This issue is caught by checkpatch.pl and is related to the following
warning:
	- CHECK: spaces preferred around that '/' (ctx:VxV)
Signed-off-by: Emmanuil Chatzipetru <chatzi.emanuel@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/olpc_dcon/olpc_dcon.c

@@ -336,7 +336,7 @@ static void dcon_source_switch(struct work_struct *work)
 		pdata->set_dconload(0);
 		dcon->load_time = ktime_get();
 
-		wait_event_timeout(dcon->waitq, dcon->switched, HZ/2);
+		wait_event_timeout(dcon->waitq, dcon->switched, HZ / 2);
 
 		if (!dcon->switched) {
 			pr_err("Timeout entering DCON mode; expect a screen glitch.\n");