ext/lame/gstlame.c: simplify
ext/lame/gstlame.c: simplify

Original commit message from CVS:
* ext/lame/gstlame.c: (gst_lame_chain):
simplify
* ext/mad/gstmad.c: (gst_mad_handle_event):
fix event leak
* gst/typefind/gsttypefindfunctions.c: (mp3_type_find):
be able to detect mp3 files < 4096 bytes

StreamUtils/gst-plugins-good,pexip/gst-plugins-good,pexip/gst-plugins-good,GrokImageCompression/gst-plugins-good,GStreamer/gst-plugins-good,GStreamer/gst-plugins-good,GrokImageCompression/gst-plugins-good,StreamUtils/gst-plugins-good,StreamUtils/gst-plugins-good,GrokImageCompression/gst-plugins-good,pexip/gst-plugins-good,pexip/gst-plugins-good,pexip/gst-plugins-good,StreamUtils/gst-plugins-good,GStreamer/gst-plugins-good,GrokImageCompression/gst-plugins-good,GStreamer/gst-plugins-good