Regen after removing std_arg.h

configure

@@ -5271,7 +5271,7 @@ $as_echo "$as_me: not updating unwritable cache $cache_file" >&6;}
   fi
 fi
 rm -f confcache
-for ac_header in stdarg.h std_arg.h arpa/inet.h fcntl.h limits.h locale.h netdb.h netinet/in.h
+for ac_header in stdarg.h arpa/inet.h fcntl.h limits.h locale.h netdb.h netinet/in.h
 do :
   as_ac_Header=`$as_echo "ac_cv_header_$ac_header" | $as_tr_sh`
 ac_fn_cxx_check_header_mongrel "$LINENO" "$ac_header" "$as_ac_Header" "$ac_includes_default"

src/config.h.in

@@ -151,9 +151,6 @@
 /* Define to 1 if you have the <stdlib.h> header file. */
 #undef HAVE_STDLIB_H
 
-/* Define to 1 if you have the <std_arg.h> header file. */
-#undef HAVE_STD_ARG_H
-
 /* Define to 1 if you have the `strcasecmp' function. */
 #undef HAVE_STRCASECMP