+20121208
+ + modify test/knight.c to show the number of choices possible for
+ each position in automove option, e.g., to allow user to follow
+ Warnsdorff's rule to solve the puzzle.
+ + modify test/hanoi.c to show the minimum number of moves possible for
+ the given number of tiles (prompted by patch by Lucas Gioia).
+ > fixes based on Coverity report:
+ + remove a few redundant checks.
+ + correct logic in test/bs.c, when randomly placing a specific type of
+ ship.
+ + check return value from remove/unlink in tic.
+ + check return value from sscanf in test/ncurses.c
+ + fix a null dereference in c++/cursesw.cc
+ + fix two instances of uninitialized variables when configuring for the
+ terminal driver.
+ + correct scope of variable used in SetSafeOutcWrapper macro.
+ + set umask when calling mkstemp in tic.
+ + initialize wbkgrndset() temporary variable when extended-colors are
+ used.
+