Pullup ticket #4395 - requested by gdt
archivers/libarchive: build fix

Revisions pulled up:
- archivers/libarchive/files/libarchive/archive_read_support_format_iso9660.c 1.5

---
  Module Name:    pkgsrc
  Committed By:  adam
  Date:          Mon Apr  7 18:40:05 UTC 2014

  Modified Files:
          pkgsrc/archivers/libarchive/files/libarchive:
              archive_read_support_format_iso9660.c

  Log Message:
  Non-void function must return a value

(tron)