kernel: Constify a formal parameter

[Andrew Talbot]

This patch depends on my patch to ntdll.
---
Changelog:
    kernel: Constify a formal parameter.

diff -urN a/dlls/kernel/virtual.c b/dlls/kernel/virtual.c
--- a/dlls/kernel/virtual.c	2006-05-23 13:48:03.000000000 +0100
+++ b/dlls/kernel/virtual.c	2006-09-06 15:05:40.000000000 +0100
@@ -546,10 +546,8 @@
  *	Success: TRUE.
  *	Failure: FALSE.
  *
- * NOTES
- *	Should addr be an LPCVOID?
  */
-BOOL WINAPI UnmapViewOfFile( LPVOID addr )
+BOOL WINAPI UnmapViewOfFile( LPCVOID addr )
 {
     NTSTATUS status = NtUnmapViewOfSection( GetCurrentProcess(), addr );
     if (status) SetLastError( RtlNtStatusToDosError(status) );
diff -urN a/include/winbase.h b/include/winbase.h
--- a/include/winbase.h	2006-08-16 17:23:44.000000000 +0100
+++ b/include/winbase.h	2006-09-06 14:55:40.000000000 +0100
@@ -2008,7 +2008,7 @@
 BOOL        WINAPI UnlockFile(HANDLE,DWORD,DWORD,DWORD,DWORD);
 BOOL        WINAPI UnlockFileEx(HANDLE,DWORD,DWORD,DWORD,LPOVERLAPPED);
 #define     UnlockSegment(handle) GlobalUnfix((HANDLE)(handle))
-BOOL        WINAPI UnmapViewOfFile(LPVOID);
+BOOL        WINAPI UnmapViewOfFile(LPCVOID);
 BOOL        WINAPI UnregisterWait(HANDLE);
 BOOL        WINAPI UnregisterWaitEx(HANDLE,HANDLE);
 BOOL        WINAPI UpdateResourceA(HANDLE,LPCSTR,LPCSTR,WORD,LPVOID,DWORD);