PATCH - winnt.h

With this WINEs imagehlp.dll should build under Mingw + w32api headers. 
Check with the headers in MS_VC 6/

Changlog:
2003-08-09             Steven Edwards <Steven__Ed4153-/[email protected]>
    * include/winnt.h - Add CONTAINING_RECORD marc

Index: winnt.h
===================================================================
RCS file: /cvs/src/src/winsup/w32api/include/winnt.h,v
retrieving revision 1.70
diff -u -r1.70 winnt.h
--- winnt.h    22 Jul 2003 22:21:26 -0000    1.70
+++ winnt.h    19 Aug 2003 21:52:08 -0000
@@ -209,6 +209,8 @@
 #define INVALID_FILE_ATTRIBUTES    (DWORD (-1))
 
 /* Also in ddk/winddk.h */
+#define CONTAINING_RECORD(address, type, field) \
+  ((type *)((PCHAR)(address) - (PCHAR)(&((type *)0)->field)))
 #define FILE_LIST_DIRECTORY        0x00000001
 #define FILE_READ_DATA            0x00000001
 #define FILE_ADD_FILE            0x00000002




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