+20111022
+ + correct logic for discarding mouse events, retaining the partial
+ events used to build up click, double-click, etc, until needed
+ (cf: 20110917).
+ + fix configure script to avoid creating unused Ada95 makefile when
+ gnat does not work.
+ + cleanup width-related gcc 3.4.3 warnings for 64-bit platform, for the
+ internal functions of libncurses. The external interface of courses
+ uses bool, which still produces these warnings.
+