Add STACK_OF(X509_CRL)
diff --git a/cryptography/hazmat/bindings/openssl/x509.py b/cryptography/hazmat/bindings/openssl/x509.py
index 3785cc6..cf38df3 100644
--- a/cryptography/hazmat/bindings/openssl/x509.py
+++ b/cryptography/hazmat/bindings/openssl/x509.py
@@ -24,11 +24,13 @@
* Note that the result is an opaque type.
*/
typedef STACK_OF(X509) Cryptography_STACK_OF_X509;
+typedef STACK_OF(X509_CRL) Cryptography_STACK_OF_X509_CRL;
typedef STACK_OF(X509_REVOKED) Cryptography_STACK_OF_X509_REVOKED;
"""
TYPES = """
typedef ... Cryptography_STACK_OF_X509;
+typedef ... Cryptography_STACK_OF_X509_CRL;
typedef ... Cryptography_STACK_OF_X509_REVOKED;
typedef struct {