fix dxva2 build

A wise man once said: "always do a make distcheck when you move some files"

modules/codec/Makefile.am

@@ -342,7 +342,7 @@ endif
 
 libdxva2_plugin_la_SOURCES = \
 	video_chroma/copy.c video_chroma/copy.h \
-	codec/avcodec/dxva2.c codec/h264_nal.c codec/h264_nal.h
+	codec/avcodec/dxva2.c packetizer/h264_nal.c packetizer/h264_nal.h
 libdxva2_plugin_la_LIBADD = -lole32 -lshlwapi -luuid
 if HAVE_AVCODEC_DXVA2
 codec_LTLIBRARIES += libdxva2_plugin.la

modules/codec/avcodec/dxva2.c

@@ -51,7 +51,7 @@
 #include "avcodec.h"
 #include "va.h"
 #include "../../video_chroma/copy.h"
-#include "../h264_nal.h"
+#include "../../packetizer/h264_nal.h"
 
 static int Open(vlc_va_t *, AVCodecContext *, enum PixelFormat,
                 const es_format_t *, picture_sys_t *p_sys);