From ca0dff891b2c5ade16f3c2a4295f725d78f3a7b8 Mon Sep 17 00:00:00 2001
From: Nicolas Williams <nico@twosigma.com>
Date: Tue, 19 Apr 2016 13:40:24 -0500
Subject: [PATCH] Check HCRYPTO_FALLBACK in W32 backend

---
 lib/hcrypto/evp-w32.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/lib/hcrypto/evp-w32.c b/lib/hcrypto/evp-w32.c
index e58273353..7d14d1f4f 100644
--- a/lib/hcrypto/evp-w32.c
+++ b/lib/hcrypto/evp-w32.c
@@ -96,8 +96,10 @@ _hc_w32crypto_DllMain(HINSTANCE hinstDLL,
     {							    \
 	if (wincng_check_availability())		    \
 	    return hc_EVP_wincng_ ##name ();		    \
-	else						    \
+	else if (HCRYPTO_FALLBACK)			    \
 	    return hc_EVP_hcrypto_ ##name ();		    \
+	else						    \
+	    return NULL;				    \
     }
 
 #define EVP_W32CRYPTO_PROVIDER_CNG_UNAVAILABLE(type, name)  \