Apply patch from doughera++ in TT #294. [config] Use "long double" printf format from perl5 config; "%.15Lg" isn't always correct.
Apply patch from doughera++ in TT #294.
[config] Use "long double" printf format from perl5 config; "%.15Lg" isn't
always correct.

git-svn-id: 6e74a02f85675cec270f5d931b0f6998666294a3@36495 d31e2699-5ff4-0310-a27c-f18f2fbe73fe

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