Add the blowfish encryption patch from Mohsin Ahmed.  Needs more work.
diff --git a/src/Make_manx.mak b/src/Make_manx.mak
index b8e7852..c4b3bcb 100644
--- a/src/Make_manx.mak
+++ b/src/Make_manx.mak
@@ -124,7 +124,8 @@
 	obj/window.o \
 	$(TERMLIB)
 
-PRO =	proto/buffer.pro \
+PRO =	proto/blowfish.pro \
+	proto/buffer.pro \
 	proto/charset.pro \
 	proto/diff.pro \
 	proto/digraph.pro \
@@ -159,6 +160,7 @@
 	proto/regexp.pro \
 	proto/screen.pro \
 	proto/search.pro \
+	proto/sha256.pro \
 	proto/spell.pro \
 	proto/syntax.pro \
 	proto/tag.pro \