configure.ac: Migrate off of deprecated macro AC_HELP_STRING

.. onto AS_HELP_STRING of Autoconf >=2.57a. As suggested by autoupdate. Related Autoconf upstream commit: https://git.savannah.gnu.org/gitweb/?p=autoconf.git;a=commit;h=ed71ef7fc3b8c5598bda5a79a7f7d682a4268cc2
resurrecting-open-source-projects · Dec 24, 2024 · 540c833 · 540c833
1 parent b22c93b
commit 540c833
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/configure.ac b/configure.ac
@@ -48,7 +48,7 @@ AC_TYPE_OFF_T
 AC_TYPE_SIZE_T
 
 AC_ARG_ENABLE([runtime-endian-check],
-    AC_HELP_STRING([--disable-runtime-endian-check], [disable runtime checks for endianness])
+    AS_HELP_STRING([--disable-runtime-endian-check],[disable runtime checks for endianness])
 )
 
 AC_ARG_WITH([bash-completion],