[PMC] Extracted static ns_insert_sub_keyed_str() from set_pmc_keyed_str() to clean up the latter somewhat.
[PMC] Extracted static ns_insert_sub_keyed_str() from set_pmc_keyed_str() to
clean up the latter somewhat.

git-svn-id: 6e74a02f85675cec270f5d931b0f6998666294a3@33251 d31e2699-5ff4-0310-a27c-f18f2fbe73fe

ashgti/parrot,ashgti/parrot,ashgti/parrot,ashgti/parrot,ashgti/parrot,ashgti/parrot,ashgti/parrot