[PATCH] user32/dialog: Fix setting negative dialog item ids.

[Marvin]

Hi,

While running your changed tests on Windows, I think I found new failures.
Being a bot and all I'm not very good at pattern recognition, so I might be
wrong, but could you please double-check?

Full results can be found at:
https://testbot.winehq.org/JobDetails.pl?Key=46567

Your paranoid android.


=== wvistau64_zh_CN (32 bit report) ===

user32:
dce.c:648: Test failed: wrong window

=== w2003std (32 bit report) ===

user32:
dde: Timeout

=== w7pro64 (64 bit report) ===

user32:
menu.c:794: Test failed: width of owner drawn menu item is wrong. Got 53 expected 24
menu.c:798: Test failed: Height of owner drawn menu item is wrong. Got 10 expected 19

=== w2003std (32 bit report) ===

user32:
sysparams: Timeout

=== w8 (32 bit report) ===

user32:
sysparams.c:2514: Test failed: Waiting for the WM_DISPLAYCHANGE message timed out
sysparams.c:2525: Test failed: Set bpp 32, but WM_DISPLAYCHANGE reported bpp -1

=== w8adm (32 bit report) ===

user32:
sysparams.c:2514: Test failed: Waiting for the WM_DISPLAYCHANGE message timed out
sysparams.c:2525: Test failed: Set bpp 32, but WM_DISPLAYCHANGE reported bpp -1

=== w864 (32 bit report) ===

user32:
sysparams.c:2514: Test failed: Waiting for the WM_DISPLAYCHANGE message timed out
sysparams.c:2525: Test failed: Set bpp 32, but WM_DISPLAYCHANGE reported bpp -1

=== debian9 (32 bit report) ===

user32:
input.c:2566: Test failed: 200: wrong originId 1/2
input.c:2575: Test failed: 200: wrong originId 1/2
input.c:2566: Test failed: 200: wrong originId 1/2
input.c:2575: Test failed: 200: wrong originId 1/2

=== debian9 (32 bit WoW report) ===

user32:
msg.c:8713: Test failed: WaitForSingleObject failed 102
msg.c:8719: Test failed: destroy child on thread exit: 0: the msg 0x0082 was expected, but got msg 0x000f instead
msg.c:8719: Test failed: destroy child on thread exit: 1: the msg 0x000f was expected, but got msg 0x0014 instead
msg.c:8719: Test failed: destroy child on thread exit: 2: the msg sequence is not complete: expected 0014 - actual 0000