This is for the case that user only know a max size
it wants to append to the array and enlarge the array
capacity before writing into it.
v2:
- rename newsize to newcap
- rename util_dynarray_enlarge to util_dynarray_grow_cap
Signed-off-by: Qiang Yu <yuq825@gmail.com>
Reviewed-by: Caio Marcelo de Oliveira Filho <caio.oliveira@intel.com>