[Bug 27840] New: winecfg crashes when using Royale (WindXP MCE) style

http://bugs.winehq.org/show_bug.cgi?id=27840

Summary: winecfg crashes when using Royale (WindXP MCE) style
           Product: Wine
           Version: 1.3.24
          Platform: x86
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: P2
         Component: gdi32
        AssignedTo: [e-mail]
        ReportedBy: [e-mail]

Here's the backtrace: http://pastebin.com/UXpRHW19

Steps to reproduce:
1. Enable Royale style in Desktop integration
2. Apply it, close winecfg
3. Start winecfg
4. Get division by zero

This is a regression, introduced by this commit:

1805f123b08cac862667d1543e198ece57a6ef77 is the first bad commit
commit 1805f123b08cac862667d1543e198ece57a6ef77
Author: Alexandre Julliard 
Date:   Mon Jul 11 13:44:26 2011 +0200

gdi32: Compute StretchBlt rectangles in gdi32.

:040000 040000 4928a30fafa35387074a9b91e663d5c75e880caa
f4b7dd10babb080036b952a5e7bffe2917c4a5c4 M      dlls
:040000 040000 d5f2b5905e0eb3bf218a94a50c689603171151a3
4af948028fe6710e8d164acf590ac8bfe5252491 M      include