audio: Fix build warning. [1/1]

PD#TV-148006

Problem:
Fix build warning.

Solution:
Fix build warning.

Verify:
Yocto: :AP222

Change-Id: I12bc5b8b55f3d789e9c0b606e3a432af9c3b0ad2
Signed-off-by: xingri.gao <xingri.gao@amlogic.com>
diff --git a/src/gstamlhalasink_new.c b/src/gstamlhalasink_new.c
index 10ef054..f9ea853 100644
--- a/src/gstamlhalasink_new.c
+++ b/src/gstamlhalasink_new.c
@@ -4396,7 +4396,7 @@
   GST_DEBUG_OBJECT (sink, "enter");
   if (!priv->stream_) {
     GST_ERROR_OBJECT (sink, "null pointer");
-    return 0;
+    return;
   }
 
   metric = priv->stream_->common.get_parameters(priv->stream_, "get_metric_info");