patch 7.4.1099
Problem:    It's not easy to know if Vim supports blowfish. (Smu Johnson)
Solution:   Add has('crypt-blowfish') and has('crypt-blowfish2').
diff --git a/src/eval.c b/src/eval.c
index ecf7a9a..e97ddc4 100644
--- a/src/eval.c
+++ b/src/eval.c
@@ -12994,6 +12994,8 @@
 #endif
 #ifdef FEAT_CRYPT
 	"cryptv",
+	"crypt-blowfish",
+	"crypt-blowfish2",
 #endif
 #ifdef FEAT_CSCOPE
 	"cscope",