From f34af836533dbe85a10b115ab1259d2ebeb331c4 Mon Sep 17 00:00:00 2001
From: Steven Fackler <sfackler@gmail.com>
Date: Sun, 30 Jul 2017 13:24:36 -0700
Subject: [PATCH] Init in bn_ctx constructor

---
 openssl/src/bn.rs | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/openssl/src/bn.rs b/openssl/src/bn.rs
index e3de8672..46d7d8f3 100644
--- a/openssl/src/bn.rs
+++ b/openssl/src/bn.rs
@@ -52,7 +52,10 @@ foreign_type! {
 impl BigNumContext {
     /// Returns a new `BigNumContext`.
     pub fn new() -> Result<BigNumContext, ErrorStack> {
-        unsafe { cvt_p(ffi::BN_CTX_new()).map(BigNumContext) }
+        unsafe {
+            ffi::init();
+            cvt_p(ffi::BN_CTX_new()).map(BigNumContext)
+        }
     }
 }