rework push action for memory reallocation

just fixed the FIXME section.
rework push action for memory reallocation

just fixed the FIXME section.
Merge branch 'action_push' of https://github.com/iHiroakiKawai/trema-edge into action_push
Merge pull request #59 from iHiroakiKawai/action_push

rework push action for memory reallocation