Merge pull request #2737 from alex/policy-constraints-bindings

Added policy constraint struct binding
diff --git a/src/_cffi_src/openssl/x509v3.py b/src/_cffi_src/openssl/x509v3.py
index 51c8410..7bc7dc0 100644
--- a/src/_cffi_src/openssl/x509v3.py
+++ b/src/_cffi_src/openssl/x509v3.py
@@ -78,6 +78,11 @@
     Cryptography_STACK_OF_GENERAL_SUBTREE *excludedSubtrees;
 } NAME_CONSTRAINTS;
 
+typedef struct {
+    ASN1_INTEGER *requireExplicitPolicy;
+    ASN1_INTEGER *inhibitPolicyMapping;
+} POLICY_CONSTRAINTS;
+
 
 typedef struct {
     int type;