Autoconf: Update an AC_DEFINE()

Same result in config.h as with CMake.

Before:
#define NETINET_ETHER_H_DECLARES_ETHER_NTOHOST /**/

After:
#define NETINET_ETHER_H_DECLARES_ETHER_NTOHOST 1

(cherry picked from commit e5b1cab0483a5fbb958d453c07aab7307c73fc2b)

[skip ci]

diff --git a/configure.ac b/configure.ac
index d1b1b1cd9f608f88e6dd4aba0bcd167383ca628d..476ed5c40876d3c03459405124d2f6ac200fbaa5 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -596,7 +596,7 @@ if test "$ac_cv_func_ether_ntohost" = yes -a \
                unset ac_cv_have_decl_ether_ntohost
                AC_CHECK_DECL(ether_ntohost,
                    [
-                       AC_DEFINE(NETINET_ETHER_H_DECLARES_ETHER_NTOHOST,,
+                       AC_DEFINE(NETINET_ETHER_H_DECLARES_ETHER_NTOHOST,1,
                            [Define to 1 if netinet/ether.h declares `ether_ntohost'])
                    ],,
                    [