We now use libtool, which calls AC_PROG_SED and sets SED as the path to
a fully-functional 'sed' (which may also be called 'gsed' if GNU sed is
installed alongside a proprietary version). Therefore we should respect
the value of SED so we are sure to use the correct one.
Signed-off-by: Yaakov Selkowitz <yselkowitz@users.sourceforge.net>
Reviewed-by: Alan Coopersmith <alan.coopersmith@sun.com>
Reviewed-by: Julien Cristau <jcristau@debian.org>