remove support for missing ANSI C header files (limits.h, stddef.h, etc).
diff --git a/configure b/configure
index a5ffac8..cf2747a 100755
--- a/configure
+++ b/configure
@@ -1,5 +1,5 @@
#! /bin/sh
-# From configure.in Revision: 1.450 .
+# From configure.in Revision: 1.451 .
# Guess values for system-dependent variables and create Makefiles.
# Generated by GNU Autoconf 2.57 for python 2.4.
#
@@ -4343,15 +4343,9 @@
-
-
-
-
-
-
-for ac_header in dlfcn.h fcntl.h grp.h limits.h langinfo.h \
-libintl.h locale.h ncurses.h poll.h pthread.h \
-signal.h stdarg.h stddef.h stdlib.h stropts.h termios.h thread.h \
+for ac_header in dlfcn.h fcntl.h grp.h langinfo.h \
+libintl.h ncurses.h poll.h pthread.h \
+stropts.h termios.h thread.h \
unistd.h utime.h \
sys/audioio.h sys/bsdtty.h sys/file.h sys/lock.h sys/mkdev.h sys/modem.h \
sys/param.h sys/poll.h sys/select.h sys/socket.h sys/time.h sys/times.h \