ncurses 5.9 - patch 20120505

ncurses 5.9 - patch 20120505

+ remove p6 (bold) from opus3n1+ for consistency -TD
+ remove acs stuff from env230 per clues in Ingres termcap -TD
+ modify env230 sgr/sgr0 to match other capabilities -TD
+ modify smacs/rmacs in bq300-8 to match sgr/sgr0 -TD
+ make sgr for dku7202 agree with other caps -TD
+ make sgr for ibmpc agree with other caps -TD
+ make sgr for tek4107 agree with other caps -TD
+ make sgr for ndr9500 agree with other caps -TD
+ make sgr for sco-ansi agree with other caps -TD
+ make sgr for d410 agree with other caps -TD
+ make sgr for d210 agree with other caps -TD
+ make sgr for d470c, d470c-7b agree with other caps -TD
+ remove redundant AC_DEFINE for NDEBUG versus Makefile definition.
+ fix a back-link in _nc_delink_entry(), which is needed if ncurses is
  configured with --enable-termcap and --disable-getcap.