message: Update FileName to be allocatable
  Allow for arbitrary length path to input file.
diff: @@ -35,7 +35,7 @@ module quest_interface_ex
  #endif
  integer :: num_pts = 10, rank, nprocs, ierr
  - character(LEN=256) :: FileName
  + character(LEN=:), allocatable :: FileName
  integer :: dim = 3
  contains
  @@ -190,9 +190,12 @@ program quest_fortran
  use quest_interface_ex
  implicit none
  + integer len_name
  call init_mpi()
  + call get_command_argument(1, length=len_name)
  + allocate(character(len_name):: FileName)
  call get_command_argument(1, FileName)
  !...exercise the distance functions in quest module
  