Fixed #1294: New pjmedia_codec_register_audio_codecs() API to register all known codecs, and also added implementation to deregister all codecs when the media endpoint is destroyed

git-svn-id: https://svn.pjsip.org/repos/pjproject/branches/projects/2.0-dev@3661 74dad513-b988-da41-8d7b-12977e46ad98
diff --git a/pjmedia/include/pjmedia-codec.h b/pjmedia/include/pjmedia-codec.h
index 942d529..feea48f 100644
--- a/pjmedia/include/pjmedia-codec.h
+++ b/pjmedia/include/pjmedia-codec.h
@@ -25,6 +25,7 @@
  * @brief Include all codecs API in PJMEDIA-CODEC
  */
 
+#include <pjmedia-codec/audio_codecs.h>
 #include <pjmedia-codec/l16.h>
 #include <pjmedia-codec/ffmpeg_codecs.h>
 #include <pjmedia-codec/gsm.h>