Time to make /usr/lib/aout optional

[M. Warner Losh]

I think its time to make /usr/lib/aout optional.  The only thing that
depends on it is /etc/rc.d/ldconfig.  I think the following patch will
make it optional.

Comments?

Index: ldconfig
===================================================================
--- ldconfig	(revision 213200)
+++ ldconfig	(working copy)
@@ -66,8 +66,8 @@
 		i386)
 			# Default the a.out ldconfig path.
 			: ${ldconfig_paths_aout=${ldconfig_paths}}
-			_LDC=/usr/lib/aout
-			for i in ${ldconfig_paths_aout} /etc/ld.so.conf; do
+			_LDC=""
+			for i in /usr/lib/aout ${ldconfig_paths_aout} /etc/ld.so.conf; do
 				if [ -r "${i}" ]; then
 					_LDC="${_LDC} ${i}"
 				fi