makes configure create the libpostproc directory and

Makefile, when running outside of the source dir patch by (mru at users dot sourceforge dot net (Måns Rullgård))

Originally committed as revision 1854 to svn://svn.ffmpeg.org/ffmpeg/trunk

configure

@@ -912,8 +912,8 @@ echo "#define restrict $_restrict" >> $TMPH
 # build tree in object directory if source path is different from current one
 if test "$source_path_used" = "yes" ; then
     DIRS="libavformat libavcodec libavcodec/alpha libavcodec/armv4l libavcodec/i386 \
-          libavcodec/ppc libavcodec/liba52 libavcodec/mlib tests vhook"
-    FILES="Makefile libavformat/Makefile libavcodec/Makefile tests/Makefile vhook/Makefile"
+          libavcodec/ppc libavcodec/liba52 libavcodec/mlib libavcodec/libpostproc tests vhook"
+    FILES="Makefile libavformat/Makefile libavcodec/Makefile libavcodec/libpostproc/Makefile tests/Makefile vhook/Makefile"
     for dir in $DIRS ; do
             mkdir -p $dir
     done