Merge pull request #11057

fccaccb src: fix issues found through static analysis (jpk68)

ACKs: jeffro256, SNeedlewoods

src/device/device.hpp

@@ -70,6 +70,7 @@ namespace hw {
 
     class device_progress {
     public:
+      virtual ~device_progress() = default;
       virtual double progress() const { return 0; }
       virtual bool indeterminate() const { return false; }
     };

src/device/device_io.hpp

@@ -41,7 +41,7 @@ namespace hw {
     public:
 
       device_io()   {};
-      ~device_io() {};
+      virtual ~device_io() = default;
 
       virtual void init()  = 0;
       virtual void release() = 0;