iarray_free - free iarray data structure

       iarray_free frees the iarray and all elements in it.

       Using the array during or after iarray_free results in undefined behavior.

       iarray_free - free iarray data structure

iarray_allocate(3), iarray_get(3), iarray_allocate(3)

                                                                                                  iarray_free(3)

#include<libowfat/iarray.h>

       void iarray_free(iarray* x);