fix typo

diff --git a/d0_bignum-openssl.c b/d0_bignum-openssl.c
index ef7985a72000f1dd946b5206126e6fb474c62095..44ad26aef4c29c8f63cd59ca256b82356207332f 100644 (file)
--- a/d0_bignum-openssl.c
+++ b/d0_bignum-openssl.c
@@ -51,7 +51,7 @@
 #define BN_is_negative(a) ((a)->neg != 0)
 #endif
 #ifndef BN_set_negative
-#define BN_set_negative(a,n) ((a)->neg = ((n) && !BN_is_zero(b)))
+#define BN_set_negative(a,n) ((a)->neg = ((n) && !BN_is_zero(a)))
 #endif
 
 struct d0_bignum_s