[PMC] Delayed NCI thunk initialization until absolutely necessary.  This improves Parrot startup time by 2.859%, thanks to a wealth of (usually unused) PMC MMD NCI registrations.
[PMC] Delayed NCI thunk initialization until absolutely necessary.  This
improves Parrot startup time by 2.859%, thanks to a wealth of (usually unused)
PMC MMD NCI registrations.

git-svn-id: 6e74a02f85675cec270f5d931b0f6998666294a3@40680 d31e2699-5ff4-0310-a27c-f18f2fbe73fe

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