common: drop useless semicolon

Signed-off-by: Yan Jun <yan.jun8@zte.com.cn>

diff --git a/src/common/TrackedOp.h b/src/common/TrackedOp.h
index aa8b09a4b48e62123ab738ed1524c2fb63af950e..9435a1913c063febbb74ad8da243062dd5aa5b50 100644 (file)
--- a/src/common/TrackedOp.h
+++ b/src/common/TrackedOp.h
@@ -213,7 +213,7 @@ protected:
   /// return a unique descriptor of the Op; eg the message it's attached to
   virtual void _dump_op_descriptor_unlocked(ostream& stream) const = 0;
   /// called when the last non-OpTracker reference is dropped
-  virtual void _unregistered() {};
+  virtual void _unregistered() {}
 
   virtual bool filter_out(const set<string>& filters) { return true; }