New variables and constant.
(main): Calculate heap_bss_diff. If we are dumping and the
heap_bss_diff is greater than MAX_HEAP_BSS_DIFF, set PER_LINUX32
and exec ourself again.
(Fdump_emacs): If heap_bss_diff is greater than MAX_HEAP_BSS_DIFF
print a warning.
* lastfile.c: Make my_endbss and my_endbss_static available on all
platforms.
* Makefile.in (RUN_TEMACS): Remove @SETARCH@.
* config.in (HAVE_PERSONALITY_LINUX32): Regenerate.