httapi did not pass number of channels up to top level filehandle so stereo…

httapi did not pass number of channels up to top level filehandle so stereo files caused buffer overflow

src/mod/applications/mod_httapi/mod_httapi.c

@@ -2732,7 +2732,6 @@ static switch_status_t http_file_file_open(switch_file_handle_t *handle, const c
 			unlink(context->cache_file);
 			unlink(context->meta_file);
 			unlink(context->lock_file);
-			
 			return status;
 		}
 	}
@@ -2744,6 +2743,7 @@ static switch_status_t http_file_file_open(switch_file_handle_t *handle, const c
 	handle->seekable = context->fh.seekable;
 	handle->speed = context->fh.speed;
 	handle->interval = context->fh.interval;
+	handle->channels = context->fh.channels;
 
 	if (switch_test_flag((&context->fh), SWITCH_FILE_NATIVE)) {
 		switch_set_flag(handle, SWITCH_FILE_NATIVE);