ncurses 5.9 - patch 20120128

+ add mach-gnu (Debian #614316, patch by Samuel Thibault)
+ add mach-gnu-color, tweaks to mach-gnu terminfo -TD
+ make sgr for sun-color agree with smso -TD
+ make sgr for prism9 agree with other caps -TD
+ make sgr for icl6404 agree with other caps -TD
+ make sgr for ofcons agree with other caps -TD
+ make sgr for att5410v1, att4415, att620 agree with other caps -TD
+ make sgr for aaa-unk, aaa-rv agree with other caps -TD
+ make sgr for avt-ns agree with other caps -TD
+ amend fix intended to separate fixups for acsc to allow "tic -cv" to
  give verbose warnings (cf:  20110730).
+ modify misc/gen-edit.sh to make the location of the tabset directory
  consistent with misc/Makefile.in, i.., using ${datadir}/tabset
  (Debian #653435, patch by Sven Joachim).