3772 consider raising default descriptor soft limit

*** 403,413 ****
  
  /*
   * symbols added to make changing max-file-descriptors
   * simple via /etc/system
   */
! #define RLIM_FD_CUR 0x100
  #define RLIM_FD_MAX 0x10000
  
  uint_t rlim_fd_cur = RLIM_FD_CUR;
  uint_t rlim_fd_max = RLIM_FD_MAX;
  
--- 403,413 ----
  
  /*
   * symbols added to make changing max-file-descriptors
   * simple via /etc/system
   */
! #define RLIM_FD_CUR 0x800
  #define RLIM_FD_MAX 0x10000
  
  uint_t rlim_fd_cur = RLIM_FD_CUR;
  uint_t rlim_fd_max = RLIM_FD_MAX;