Add the blowfish encryption patch from Mohsin Ahmed.  Needs more work.
diff --git a/src/globals.h b/src/globals.h
index d2b898c..a65a2e3 100644
--- a/src/globals.h
+++ b/src/globals.h
@@ -105,6 +105,10 @@
 
 EXTERN int	screen_cleared INIT(= FALSE);	/* screen has been cleared */
 
+#ifdef FEAT_CRYPT
+EXTERN int      use_crypt_method INIT(= 0);
+#endif
+
 /*
  * When '$' is included in 'cpoptions' option set:
  * When a change command is given that deletes only part of a line, a dollar