prepare for newer ffmpeg which no longer wrap headers in 'extern "C" {}'

for inclusion from C++ sources

from gnash CVS

ok deanna@

www/gnash/Makefile

@@ -1,9 +1,9 @@
-# $OpenBSD: Makefile,v 1.15 2007/09/15 20:38:21 merdely Exp $
+# $OpenBSD: Makefile,v 1.16 2007/09/24 07:46:38 jakemsr Exp $
 SHARED_ONLY=	Yes
 
 COMMENT=	flash player with firefox browser plugin
 DISTNAME=	gnash-0.8.0
-PKGNAME=	${DISTNAME}p1
+PKGNAME=	${DISTNAME}p2
 SHARED_LIBS +=	gnashbase 2.0
 SHARED_LIBS +=	gnashgeo 2.0
 SHARED_LIBS +=	gnashamf 2.0

www/gnash/patches/patch-backend_sound_handler_sdl_h

@@ -0,0 +1,13 @@
+$OpenBSD: patch-backend_sound_handler_sdl_h,v 1.1 2007/09/24 07:46:38 jakemsr Exp $
+--- backend/sound_handler_sdl.h.orig	Mon Sep 10 23:37:55 2007
++++ backend/sound_handler_sdl.h	Mon Sep 10 23:38:48 2007
+@@ -26,7 +26,9 @@
+ #include "log.h"
+ 
+ #ifdef USE_FFMPEG
++extern "C" {
+ #include <ffmpeg/avcodec.h>
++}
+ #elif defined(USE_MAD)
+ #include <mad.h>
+ #endif

www/gnash/patches/patch-libbase_embedVideoDecoderFfmpeg_cpp

@@ -0,0 +1,13 @@
+$OpenBSD: patch-libbase_embedVideoDecoderFfmpeg_cpp,v 1.1 2007/09/24 07:46:38 jakemsr Exp $
+--- libbase/embedVideoDecoderFfmpeg.cpp.orig	Mon Sep 10 23:41:46 2007
++++ libbase/embedVideoDecoderFfmpeg.cpp	Mon Sep 10 23:42:14 2007
+@@ -26,7 +26,9 @@
+ #include "embedVideoDecoderFfmpeg.h"
+ 
+ #ifdef HAVE_SWSCALE_H
++extern "C" {
+ #include <ffmpeg/swscale.h>
++}
+ #endif
+ 
+ #include <boost/scoped_array.hpp>

www/gnash/patches/patch-libbase_embedVideoDecoderFfmpeg_h

@@ -0,0 +1,13 @@
+$OpenBSD: patch-libbase_embedVideoDecoderFfmpeg_h,v 1.1 2007/09/24 07:46:38 jakemsr Exp $
+--- libbase/embedVideoDecoderFfmpeg.h.orig	Mon Sep 10 23:41:09 2007
++++ libbase/embedVideoDecoderFfmpeg.h	Mon Sep 10 23:41:29 2007
+@@ -28,7 +28,9 @@
+ 
+ #include <vector>
+ #include "embedVideoDecoder.h"
++extern "C" {
+ #include <ffmpeg/avcodec.h>
++}
+ #include "image.h"
+ 
+ namespace gnash {

www/gnash/patches/patch-server_asobj_NetStreamFfmpeg_h

@@ -0,0 +1,13 @@
+$OpenBSD: patch-server_asobj_NetStreamFfmpeg_h,v 1.1 2007/09/24 07:46:38 jakemsr Exp $
+--- server/asobj/NetStreamFfmpeg.h.orig	Mon Sep 10 23:43:35 2007
++++ server/asobj/NetStreamFfmpeg.h	Mon Sep 10 23:43:58 2007
+@@ -39,7 +39,9 @@
+ #include "impl.h"
+ #include "video_stream_instance.h"
+ 
++extern "C" {
+ #include <ffmpeg/avformat.h>
++}
+ 
+ #include "image.h"
+ #include "StreamProvider.h"	

www/gnash/patches/patch-server_asobj_SoundFfmpeg_h

@@ -0,0 +1,13 @@
+$OpenBSD: patch-server_asobj_SoundFfmpeg_h,v 1.1 2007/09/24 07:46:38 jakemsr Exp $
+--- server/asobj/SoundFfmpeg.h.orig	Mon Sep 10 23:42:46 2007
++++ server/asobj/SoundFfmpeg.h	Mon Sep 10 23:43:05 2007
+@@ -32,7 +32,9 @@
+ #include <boost/bind.hpp> 
+ #include <boost/thread/mutex.hpp>
+ 
++extern "C" {
+ #include <ffmpeg/avformat.h>
++}
+ 
+ namespace gnash {
+