UNINITIALIZED READs related to NtGdi syscalls found on Chromium

_From [bruen...@google.com](https://code.google.com/u/109494838902877177630/) on July 20, 2011 16:54:38_

split from issue #501 :

Also seen on Chromium w/o symbols, looks related:

Error `#1`: UNINITIALIZED READ: reading 0x003cbe58-0x003cbe5c 4 byte(s) within 0x003cbe58-0x003cbe5c
@0:01:26.148 in thread 2840
system call NtGdiEnumFonts

0x759ec264 GDI32.dll!CreateICW
0x759ec3d9 GDI32.dll!EnumFontFamiliesExW
0x726eea4e RICHED20.dll!CreateTextServices
0x726edc98 RICHED20.dll!IID_ITextServices
0x726ed54a RICHED20.dll!IID_IRichEditOleCallback
0x726ee895 RICHED20.dll!CreateTextServices
0x726ee871 RICHED20.dll!CreateTextServices
0x726e220c RICHED20.dll!?
0x75e96238 USER32.dll!gapfnScSendMessage
0x75e968ea USER32.dll!gapfnScSendMessage
0x75ea0ab0 USER32.dll!FillRect
0x75ea0ad6 USER32.dll!CallWindowProcW
0x5d221b87 chrome.dll!ATL::CWindowImplBaseTWTL::CRichEditCtrlT >::DefWindowPro
c:\program files (x86)\microsoft visual studio 9.0\vc\atlmfc\include\atlwin.h:3030
0x5d223778 chrome.dll!ATL::CWindowImplBaseTWTL::CRichEditCtrlT >::WindowProc
c:\program files (x86)\microsoft visual studio 9.0\vc\atlmfc\include\atlwin.h:3089
0x75e96238 USER32.dll!gapfnScSendMessage
0x75e968ea USER32.dll!gapfnScSendMessage
0x75e9cd1a USER32.dll!GetWindow
0x75e9cd81 USER32.dll!SendMessageW
0x5d21af26 chrome.dll!ATL::CWindow::SetFont
c:\program files (x86)\microsoft visual studio 9.0\vc\atlmfc\include\atlwin.h:864

_Original issue: http://code.google.com/p/drmemory/issues/detail?id=502_