Fix building (#1331)

@@ -123,7 +123,7 @@ class VoiceActivityDetector::Impl {
       return;
       return;
     }
     }
 
 
-    int32_t end = buffer_.Tail()
+    int32_t end = buffer_.Tail();
     if (end <= start_) {
     if (end <= start_) {
       return;
       return;
     }
     }