Use #if !, not #ifndef, for AC_CHECK_DECLS.

diff --git a/lib/getaddrinfo.h b/lib/getaddrinfo.h
index 54c9198bbb7f7e71ff231bc177c9c0fbf7839425..65f52cda634e975c763a41b4e244d07d48c9df7a 100644 (file)
--- a/lib/getaddrinfo.h
+++ b/lib/getaddrinfo.h
@@ -82,7 +82,7 @@ struct addrinfo
 #  endif
 # endif
 
-# ifndef HAVE_DECL_GETADDRINFO
+# if !HAVE_DECL_GETADDRINFO
 /* Translate name of a service location and/or a service name to set of
    socket addresses.
    For more details, see the POSIX:2001 specification
@@ -93,14 +93,14 @@ extern int getaddrinfo (const char *restrict nodename,
                        struct addrinfo **restrict res);
 # endif
 
-# ifndef HAVE_DECL_FREEADDRINFO
+# if !HAVE_DECL_FREEADDRINFO
 /* Free `addrinfo' structure AI including associated storage.
    For more details, see the POSIX:2001 specification
    <http://www.opengroup.org/susv3xsh/getaddrinfo.html>.  */
 extern void freeaddrinfo (struct addrinfo *ai);
 # endif
 
-# ifndef HAVE_DECL_GAI_STRERROR
+# if !HAVE_DECL_GAI_STRERROR
 /* Convert error return from getaddrinfo() to a string.
    For more details, see the POSIX:2001 specification
    <http://www.opengroup.org/susv3xsh/gai_strerror.html>.  */