2017-12-21  David Anderson
     * simplereader.c: A DIE was not getting deallocated, now
       it is deallocated, avoiding a memory leak. 
2017-12-17  David Anderson
     * Makefile.in: Add CPPFLAGS, helpful for one user build,
       harmless to others. 
2017-08-21  David Anderson
     * configure.in: Add unistd.h to AC_CHECK_HEADERS.
     * configure: Regenerated.
     * frame1.c: Add #ifdef and include config.h to
       make windows builds easier.
     * simplereader.c: Change #ifdef to
       make windows builds easier.