Merge pull request #1564 in FS/freeswitch from fs-11310-switch-core-file-pre-close...

* commit '720128b61ed0fba0c45ba7caa0d3d7a4bde2ffb4':
  FS-11310 #resolve add more params for conference record stop event
  FS-11310 #resolve add optional switch_core_file_pre_close() to stop writing to file and possible to get file size related params

diff --cc src/include/switch_core.h
Simple merge

diff --cc src/include/switch_module_interfaces.h
Simple merge

diff --cc src/include/switch_types.h
Simple merge

diff --cc src/mod/applications/mod_conference/conference_record.c
Simple merge

diff --cc src/switch_core_file.c
Simple merge