USER32: fix returned values in scroll.c

[Alexandre Julliard]

Vitaly Lipatov <lav at etersoft.ru> writes:

> Sorry, I've lost attachment.
> 
> This patch fixes returned values (sets FALSE if something fails).

This breaks the tests:

msg.c:2674: Test failed: GetScrollRange error 5
msg.c:2689: Test failed: GetScrollRange error 5
msg.c:2722: Test failed: GetScrollInfo error 5
msg.c:2674: Test failed: GetScrollRange error 5
msg.c:2689: Test failed: GetScrollRange error 5
msg.c:2722: Test failed: GetScrollInfo error 5

-- 
Alexandre Julliard
julliard at winehq.org