Make x509 module compatible with M2Crypto 0.44.0

Author: vzhestkov

salt/modules/x509.py

@@ -43,6 +43,10 @@
 try:
     import M2Crypto
 
+    # These imports intended to be used from M2Crypto,
+    # but not loaded by-default with recent M2Crypto version.
+    from M2Crypto import ASN1, BIO, EVP, RSA, X509, m2  # pylint: disable=unused-import
+
     HAS_M2 = True
 except ImportError:
     HAS_M2 = False