(forced commit, the last one had the wrong message)
Make RTS flags given on the command line override those from the
GHCRTS environment variable.
/* -----------------------------------------------------------------------------
- * $Id: RtsFlags.c,v 1.44 2001/08/07 10:11:05 simonmar Exp $
+ * $Id: RtsFlags.c,v 1.45 2001/08/07 10:37:04 simonmar Exp $
*
* (c) The AQUA Project, Glasgow University, 1994-1997
* (c) The GHC Team, 1998-1999