kernel: Constify a formal parameter.

dlls/kernel/virtual.c

@@ -546,12 +546,10 @@ LPVOID WINAPI MapViewOfFileEx( HANDLE handle, DWORD access,
  *	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 );
+    NTSTATUS status = NtUnmapViewOfSection( GetCurrentProcess(), (void *)addr );
     if (status) SetLastError( RtlNtStatusToDosError(status) );
     return !status;
 }

include/winbase.h

@@ -2008,7 +2008,7 @@ BOOL        WINAPI TzSpecificLocalTimeToSystemTime(LPTIME_ZONE_INFORMATION,LPSYS
 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);