Back out make_mkid change.

src/tools/make_mkid

@@ -1,10 +1,9 @@
-:
+#!/bin/sh
 
 mkid `find \`pwd\`/ \( -name _deadcode -a -prune \) -o \
 	-type f -name '*.[chyl]' -print|sed 's;//;/;g'`
 
-find . \( -name  'CVS' -prune -o -name  '_xlk' -prune \) -o -type d -print  |
-while read DIR
+find . -name  'CVS' -prune -o -type d -print  |while read DIR
 do
 	[ "$DIR" != "." ] && ln -f -s `echo "$DIR" | sed 's;/[^/]*;/..;g'`/ID $DIR/ID
 done