staging: i4l: act2000: fix use of return

checkpatch warns that return is not a function and as such the brace
after it is not required.
Signed-off-by: Sudip Mukherjee <sudip.mukherjee@codethink.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/i4l/act2000/act2000_isa.c

@@ -439,5 +439,5 @@ act2000_isa_download(act2000_card *card, act2000_ddef __user *cb)
 	}
 	kfree(buf);
 	msleep_interruptible(500);
-	return (act2000_isa_getid(card));
+	return act2000_isa_getid(card);
 }