Description of problem:
When m2crypto client connects to a server specified only by IP address, the verification of certificate fails

Version-Release number of selected component (if applicable):
m2crypto-0.21.1-14.el7.x86_64

How reproducible:
Always

Steps to Reproduce:
1. Create a CA and sing certificate with SAN pointing to 127.0.0.1
2. Start s_server with the certificate
3. connect to local s_server using 127.0.0.1 as the hostname

Actual results:
LOOP: SSL connect: before/connect initialization
LOOP: SSL connect: SSLv2/v3 write client hello A
LOOP: SSL connect: SSLv3 read server hello A
LOOP: SSL connect: SSLv3 read server certificate A
LOOP: SSL connect: SSLv3 read server key exchange A
LOOP: SSL connect: SSLv3 read server done A
LOOP: SSL connect: SSLv3 write client key exchange A
LOOP: SSL connect: SSLv3 write change cipher spec A
LOOP: SSL connect: SSLv3 write finished A
LOOP: SSL connect: SSLv3 flush data
LOOP: SSL connect: SSLv3 read server session ticket A
LOOP: SSL connect: SSLv3 read finished A
INFO: SSL connect: SSL negotiation finished successfully
Traceback (most recent call last):
  File "sni.py", line 48, in <module>
    s.connect((host, port))
  File "/usr/lib64/python2.7/site-packages/M2Crypto/SSL/Connection.py", line 188, in connect
    if not check(self.get_peer_cert(), self.addr[0]):
  File "/usr/lib64/python2.7/site-packages/M2Crypto/SSL/Checker.py", line 98, in __call__
    fieldName='subjectAltName')
M2Crypto.SSL.Checker.WrongHost: Peer certificate subjectAltName does not match host, expected 127.0.0.1, got DNS:wronghostname.com, DNS:example.com, DNS:evenmoreincorrectname.com, IP Address:127.0.0.1
ALERT: write: warning: close notify

Expected results:
Successful connection to server

Additional info: