+20121117
+ > fixes based on Coverity report:
+ + add missing braces around FreeAndNull in two places.
+ + various fixes in test/ncurses.c
+ + improve limit-checks in tinfo/make_hash.c, tinfo/read_entry.c
+ + correct malloc size in progs/infocmp.c
+ + guard against negative array indices in test/knight.c
+ + fix off-by-one limit check in test/color_name.h
+ + add null-pointer check in progs/tabs.c, test/bs.c, test/demo_forms.c,
+ test/inchs.c
+ + fix memory-leak in tinfo/lib_setup.c, progs/toe.c,
+ test/clip_printw.c, test/demo_menus.c
+ + delete unused windows in test/chgat.c, test/clip_printw.c,
+ test/insdelln.c, test/newdemo.c on error-return.
+