vlc: make it work with ffmpeg 2.4.2

vlc/Pkgfile

@@ -6,23 +6,31 @@
 
 name=vlc
 version=2.1.5
-release=1
+release=2
 source=(http://download.videolan.org/pub/videolan/$name/$version/$name-$version.tar.xz)
 
 build() {
-	cd $name-$version
+  cd $name-$version
 
-	./configure --prefix=/usr \
+  # allow building with new avcodec
+  sed -i 's/ 56/ 57/g' configure.ac
+  autoreconf -fi
+
+  # initialize avformat structure
+  sed -i 's/AVProbeData *pd;/AVProbeData pd={};/g' modules/demux/avformat/demux.c
+
+
+  ./configure --prefix=/usr \
     --mandir=/usr/man \
-		--disable-nls \
-		--disable-fribidi \
-		--disable-httpd \
-		--disable-dbus \
-		--enable-alsa \
-		--disable-remoteosd \
-		--disable-lua
-	make
-	make DESTDIR=$PKG install
+    --disable-nls \
+    --disable-fribidi \
+    --disable-httpd \
+    --disable-dbus \
+    --enable-alsa \
+    --disable-remoteosd \
+    --disable-lua
+  make
+  make DESTDIR=$PKG install
   rm -rf $PKG/usr/share/doc
 
   # fix desktop file