Fixed sign

diff --git a/include/pcm.h b/include/pcm.h
index 9b70b17f3ed11d702bb4d3d02350d93e028b5a07..c91d5c064bfbf54bb985200dde11835770adef47 100644 (file)
--- a/include/pcm.h
+++ b/include/pcm.h
@@ -293,7 +293,7 @@ int snd_pcm_plugin_build(snd_pcm_plugin_handle_t *handle,
                         const char *name,
                         snd_pcm_format_t *src_format,
                         snd_pcm_format_t *dst_format,
-                        int extra,
+                        size_t extra,
                         snd_pcm_plugin_t **ret);
 /* basic I/O */
 int snd_pcm_plugin_build_io(snd_pcm_plugin_handle_t *handle,