FreeSWITCH

Merge pull request #1678 in FS/freeswitch from ~DRAGOS_OANCEA/freeswitch-dragos:FS-11482-crashfix-http_cache to master

* commit '6258b721c9fef73da1868eef9ff561fcf9dcf2c6':
  FS-11482: [http_cache] set pre_buffer_datalen to 0 on handle (crashfix)