Merge pull request #713 in FS/freeswitch from…

Merge pull request #713 in FS/freeswitch from ~PIOTRGREGOR/freeswitch:bugfix/FS-8854-initialize-circular-buffer to master

* commit '3af3e54a':
  FS-8854 initialize circular buffer

src/mod/applications/mod_avmd/buffer.h

@@ -87,6 +87,7 @@ extern size_t next_power_of_2(size_t v);
 	(bf)->pos = 0; \
 	(bf)->lpos = 0; \
 	(bf)->backlog = 0; \
+	(bf)->i = 0; \
     }
 
 //#define DESTROY_CIRC_BUFFER(b) free((b)->buf)