update to most recent smlnj version

--- a/Admin/isatest/settings/at-sml-dev	Mon Nov 19 11:09:09 2007 +0100
+++ b/Admin/isatest/settings/at-sml-dev	Mon Nov 19 12:06:10 2007 +0100
@@ -2,7 +2,7 @@
 
 # Standard ML of New Jersey 110 or later
 ML_SYSTEM=smlnj
-ML_HOME="/usr/proj/smlnj/110.60/bin"
+ML_HOME="/usr/proj/smlnj/110.67/bin"
 ML_OPTIONS="@SMLdebug=/dev/null"
 ML_PLATFORM=$(eval $("$ML_HOME/.arch-n-opsys" 2>/dev/null); echo "$HEAP_SUFFIX")