More robust initdemo script.

dev/initdata/initdemo.sh

@@ -171,6 +171,8 @@ then
 fi
 #echo "mysql -P$port -u$admin $passwd $base < $mydir/$dumpfile"
 #mysql -P$port -u$admin $passwd $base < $mydir/$dumpfile
+#echo "drop old table"
+echo "drop table llx_accounting_account;" | mysql -P$port -u$admin $passwd $base
 echo "mysql -P$port -u$admin -p***** $base < $mydir/$dumpfile"
 mysql -P$port -u$admin $passwd $base < $mydir/$dumpfile
 export res=$?