autogen.sh: execute ffmpeg's autogen.sh directly

Original commit message from CVS:
* autogen.sh: execute ffmpeg's autogen.sh directly
* gst-libs/ext/ffmpeg/autogen.sh: Add a #! line.  Specify bash,
since there are bashisms ('local').

ChangeLog

+2004-12-18  David Schleef  <ds@schleef.org>
+
+	* autogen.sh: execute ffmpeg's autogen.sh directly
+	* gst-libs/ext/ffmpeg/autogen.sh: Add a #! line.  Specify bash,
+	since there are bashisms ('local').
+
 2004-12-19  Ronald S. Bultje  <rbultje@ronald.bitfreak.net>
 
 	* ext/ffmpeg/gstffmpegprotocol.c: (gst_ffmpegdata_open),

autogen.sh

@@ -95,7 +95,8 @@ rm -f gst-libs/ext/ffmpeg/configure
 # now, run ffmpeg's autogen
 echo "+ running autogen.sh in gst-libs/ext/ffmpeg"
 cd gst-libs/ext/ffmpeg
-sh autogen.sh || exit 1
+chmod +x autogen.sh
+./autogen.sh || exit 1
 cd ../../..
 
 test -n "$NOCONFIGURE" && {