automake-1.13 has now deprecated AM_CONFIG_HEADER, use the correct AC_CONFIG_HEADERS instead. Change-Id: I8adaec64cbad7f7318ff69091176c30b707cbb0b Signed-off-by: Spencer Oliver <spen@spen-soft.co.uk> Reviewed-on: http://openocd.zylin.com/1117 Tested-by: jenkins Reviewed-by: Mikko Viitamäki <mikko.viitamaki@gmail.com> Reviewed-by: Freddie Chopin <freddie.chopin@gmail.com>tags/v0.7.0-rc1