use anonymous struct
diff --git a/bn_s_mp_rand_jenkins.c b/bn_s_mp_rand_jenkins.c
index a914458..da0771c 100644
--- a/bn_s_mp_rand_jenkins.c
+++ b/bn_s_mp_rand_jenkins.c
@@ -5,7 +5,7 @@
/* Bob Jenkins' http://burtleburtle.net/bob/rand/smallprng.html */
/* Chosen for speed and a good "mix" */
-typedef struct ranctx {
+typedef struct {
uint64_t a;
uint64_t b;
uint64_t c;