SysTimer: Suppress implicit virtual warning

kjbracey · kjbracey · commit a1bbbb8845e0 · 2019-12-05T15:48:36.000+02:00
diff --git a/platform/source/SysTimer.h b/platform/source/SysTimer.h
@@ -57,7 +57,7 @@ class SysTimer: private mbed::TimerEvent, private mbed::NonCopyable<SysTimer<US_
 
     SysTimer(const ticker_data_t *data);
 
-    ~SysTimer();
+    virtual ~SysTimer();
 
     /**
      * Get the interrupt number for the tick
