change ausrc/auplay base-class to pointer

- change from a memory-reference to a const pointer
- this saves one mem_deref() in the destructor and also
  decreases the chance of introducing memory leaks
- test on debian

1 files changed, 1 insertions, 1 deletions

diff --git a/src/core.h b/src/core.h
index 4c1c6bb..a9a6b16 100644
--- a/src/core.h
+++ b/src/core.h
@@ -91,7 +91,7 @@ struct auplay {
  */
 
 struct ausrc_st {
-	struct ausrc *as;
+	const struct ausrc *as;
 };
 
 struct ausrc {