$NetBSD$

Adjust header file locations for ffmpeg changes.

--- configure.orig	2007-11-26 20:47:43.000000000 +0000
+++ configure
@@ -610,9 +610,9 @@ if [ -n "$ffmpegdir" ]; then
 fi
 
 echolog "Checking for libavformat ..."
-check_lib ffmpeg/avformat.h av_register_all -lavformat || die "Error, can't find libavformat !"
+check_lib libavformat/avformat.h av_register_all -lavformat || die "Error, can't find libavformat !"
 echolog "Checking for libavcodec ..."
-check_lib ffmpeg/avcodec.h avcodec_register_all -lavcodec || die "Error, can't find libavcodec !"
+check_lib libavcodec/avcodec.h avcodec_register_all -lavcodec || die "Error, can't find libavcodec !"
 
 #################################################
 #   version
