array index error in dtoa implementation of many products

Array index error in the 1 dtoa implementation in dtoa.c aka pdtoa.c and the 2 gdtoa aka new dtoa implementation in gdtoa/misc.c in libc, as used in multiple operating systems and products including in FreeBSD 6.4 and 7.2, NetBSD 5.0, OpenBSD 4.5, Mozilla Firefox 3.0.x before 3.0.15 and 3.5.x...