configure: replace deprecated AM_CONFIG_HEADER with AC_CONFIG_HEADERS

AM_CONFIG_HEADER was removed in automake 1.13

https://bugzilla.gnome.org/show_bug.cgi?id=693368

diff --git a/configure.ac b/configure.ac
index 46a0714..2728f15 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -20,7 +20,7 @@ dnl can autoconf find the source ?
 AC_CONFIG_SRCDIR([gst/rtsp-server/rtsp-server.c])
 
 dnl define the output header for config
-AM_CONFIG_HEADER([config.h])
+AC_CONFIG_HEADERS([config.h])
 
 dnl AM_MAINTAINER_MODE only provides the option to configure to enable it
 AM_MAINTAINER_MODE([enable])