MFH: r403808

• update to 1.8.15

Version 1.8.15
(15 Dec 2015, from /branches/1.8.x)
http://svn.apache.org/repos/asf/subversion/tags/1.8.15

User-visible changes:

• Client-side bugfixes:
  • gpg-agent: fix crash with non-canonical $HOME (r1691928, issue #4584)
• Client-side and server-side bugfixes:
  • fix a segfault with old style text delta (r1618472 et al)
• Server-side bugfixes:
  • fsfs: reduce memory allocation with Apache (r1591005 et al)
  • mod_dav_svn: emit first log items as soon as possible (r1666965 et al)
  • mod_dav_svn: use LimitXMLRequestBody for skel-encoded requests (r1687812)
• Bindings bugfixes:
  • swig: fix memory corruption in svn_client_copy_source_t (r1694929)
    
    Developer-visible changes:
• General:
  • better configure-time detection of httpd authz fix (r1687304 et al)
  • fix compilation with apr 1.2.x (r1701237)

Approved by: lev@ (explicit)
Approved by: portmgr (feld@)
Security: vid="daadef86-a366-11e5-8b40-20cf30e32f6d"