Follow-up to r1514295: Print serf library version information on separate 
line to improve output on 80 column terminals.

Suggested by: philip

* subversion/libsvn_ra_serf/serf.c
  (RA_SERF_DESCRIPTION_VER): Move serf version to separate line.


git-svn-id: https://svn.apache.org/repos/asf/subversion/trunk@1514318 13f79535-47bb-0310-9956-ffa450edef68