Unbreak compilation caused by removal of C++ compatibility wrappers

from include files that are installed by ffmpeg. The ffmpeg developers
wanted to make it clear, that C++ is not officially supported.

multimedia/dvbcut/files/patch-avframe.h

@@ -0,0 +1,12 @@
+--- src/avframe.h~	2007-04-13 19:36:27 +0200
++++ src/avframe.h	2007-07-17 01:08:23 +0200
+@@ -19,7 +19,9 @@
+ #ifndef _DVBCUT_AVFRAME_H
+ #define _DVBCUT_AVFRAME_H
+ 
++extern "C" {
+ #include <ffmpeg/avcodec.h>
++}
+ 
+ class QImage;
+ 

multimedia/dvbcut/files/patch-lavfmuxer.cpp

@@ -0,0 +1,12 @@
+--- src/lavfmuxer.cpp~	2007-04-13 19:36:27.000000000 +0200
++++ src/lavfmuxer.cpp	2007-07-17 01:09:12 +0200
+@@ -16,7 +16,9 @@
+     Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */
+ 
++extern "C" {
+ #include <ffmpeg/avformat.h>
++}
+ #include <string.h>
+ #include <utility>
+ #include <list>

multimedia/dvbcut/files/patch-main.cpp

@@ -0,0 +1,12 @@
+--- src/main.cpp~	2007-04-13 19:36:26 +0200
++++ src/main.cpp	2007-07-17 01:10:36 +0200
+@@ -27,7 +27,9 @@
+ #endif // HAVE_LIB_AO
+ 
+ #include <qapplication.h>
++extern "C" {
+ #include <ffmpeg/avformat.h>
++}
+ #include <qimage.h>
+ #include <qsettings.h>
+ #include "dvbcut.h"

multimedia/dvbcut/files/patch-mpgfile.h

@@ -0,0 +1,12 @@
+--- src/mpgfile.h~	2007-04-13 19:36:27 +0200
++++ src/mpgfile.h	2007-07-17 01:10:56 +0200
+@@ -19,7 +19,9 @@
+ #ifndef _DVBCUT_MPGFILE_H
+ #define _DVBCUT_MPGFILE_H
+ 
++extern "C" {
+ #include <ffmpeg/avcodec.h>
++}
+ #include <string>
+ #include <vector>
+ #include <list>

multimedia/dvbcut/files/patch-playaudio.cpp

@@ -1,6 +1,16 @@
 --- src/playaudio.cpp~	Fri Apr 13 19:36:27 2007
-+++ src/playaudio.cpp	Sat Jun  2 20:51:00 2007
-@@ -38,7 +38,10 @@
++++ src/playaudio.cpp	2007-07-17 01:11:15 +0200
+@@ -19,7 +19,9 @@
+ #ifdef HAVE_LIB_AO
+ #include <stdio.h>
+ #include <ao/ao.h>
++extern "C" {
+ #include <ffmpeg/avcodec.h>
++}
+ #include "playaudio.h"
+ 
+ #define MIN_BUFFER_SAMPLES (1536*6)
+@@ -38,7 +40,10 @@
    const uint8_t *d=(const uint8_t*)data;
  
    while (len>0) {

multimedia/dvbcut/files/patch-psfile.cpp

@@ -1,6 +1,16 @@
 --- src/psfile.cpp~	Fri Apr 13 19:36:27 2007
-+++ src/psfile.cpp	Tue May  1 21:45:19 2007
-@@ -100,7 +100,7 @@
++++ src/psfile.cpp	2007-07-17 01:11:44 +0200
+@@ -19,7 +19,9 @@
+ #include "psfile.h"
+ #include "streamhandle.h"
+ #include "stream.h"
++extern "C" {
+ #include <ffmpeg/avcodec.h>
++}
+ 
+ psfile::psfile(const std::string &filename, inbuffer &b, int initial_offset)
+     : mpgfile(filename, b, initial_offset)
+@@ -100,7 +102,7 @@
        streamnumber[sid]=audiostream(audiostreams);
        stream *S=&s[audiostream(audiostreams++)];
        S->id=sid;

multimedia/dvbcut/files/patch-streamdata.h

@@ -0,0 +1,12 @@
+--- src/streamdata.h~	2007-04-13 19:36:27 +0200
++++ src/streamdata.h	2007-07-17 01:12:01 +0200
+@@ -21,7 +21,9 @@
+ 
+ #include <string>
+ #include <list>
++extern "C" {
+ #include <ffmpeg/avformat.h>
++}
+ 
+ #include "port.h"
+ #include "tsfile.h"

multimedia/dvbcut/files/patch-tsfile.cpp

@@ -1,6 +1,16 @@
 --- src/tsfile.cpp~	Fri Apr 13 19:36:27 2007
-+++ src/tsfile.cpp	Tue May  1 21:45:36 2007
-@@ -78,7 +78,7 @@
++++ src/tsfile.cpp	2007-07-17 01:12:25 +0200
+@@ -22,7 +22,9 @@
+ #include <list>
+ #include <utility>
+ 
++extern "C" {
+ #include <ffmpeg/avcodec.h>
++}
+ 
+ tsfile::tsfile(const std::string &filename, inbuffer &b, int initial_offset)
+     : mpgfile(filename, b, initial_offset)
+@@ -78,7 +80,7 @@
      stream *S=&s[audiostream(audiostreams++)];
      S->id=it->second;
      if (it->first==0xbd) {