Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
diff --git a/src/testdir/Make_dos.mak b/src/testdir/Make_dos.mak
index 8f35c7b..4b1af5f 100644
--- a/src/testdir/Make_dos.mak
+++ b/src/testdir/Make_dos.mak
@@ -27,7 +27,7 @@
test30.out test31.out test32.out test33.out test34.out \
test37.out test38.out test39.out test40.out test41.out \
test42.out test52.out test65.out test66.out test67.out \
- test68.out test69.out
+ test68.out test69.out test71.out
SCRIPTS32 = test50.out test70.out