Define PCONTEXT on ARM

git-svn-id: svn+ssh://svn.code.sf.net/p/mingw-w64/code/trunk@6608 4407c894-4637-0410-b4f5-ada5f102cad1

mingw-w64-headers/include/winnt.h

diff --git a/mingw-w64-headers/include/winnt.h b/mingw-w64-headers/include/winnt.h
index 4da36dd..87195e8 100644
--- a/mingw-w64-headers/include/winnt.h
+++ b/mingw-w64-headers/include/winnt.h
@@ -1874,7 +1874,7 @@
     DWORD Wcr[ARM_MAX_WATCHPOINTS];
 
     DWORD Padding2[2];
-  } CONTEXT;
+  } CONTEXT, *PCONTEXT;
 
   typedef struct _IMAGE_ARM_RUNTIME_FUNCTION_ENTRY RUNTIME_FUNCTION, *PRUNTIME_FUNCTION;