[SSSD] [sssd PR#349][opened] SPEC: require http-parser only on rhel7.4

[lslebodn]

   URL: https://github.com/SSSD/sssd/pull/349
Author: lslebodn
 Title: #349: SPEC: require http-parser only on rhel7.4
Action: opened

PR body:
"""
http-parser was removed from epel
"""

To pull the PR as Git branch:
git remote add ghsssd https://github.com/SSSD/sssd
git fetch ghsssd pull/349/head:pr349
git checkout pr349