configure: Modernize AC_CONFIG_HEADER to 2.69. [skip ci]

configure.ac:3194: warning: The macro `AC_CONFIG_HEADER' is obsolete.

(This change does not cascade into any other files.)

diff --git a/configure.ac b/configure.ac
index 84f85efbd74deb6972f33ffe921362866a98c57b..d1332ba2f9a0afebac7b973f072b6af7bceea285 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -3191,7 +3191,7 @@ fi
 
 AC_PROG_INSTALL
 
-AC_CONFIG_HEADER(config.h)
+AC_CONFIG_HEADERS([config.h])
 
 AC_SUBST(V_SHLIB_CCOPT)
 AC_SUBST(V_SHLIB_CMD)