Codechange: use default dtor instead of empty (#10826)

src/linkgraph/demands.h

@@ -37,7 +37,7 @@ public:
 	/**
 	 * Virtual destructor has to be defined because of virtual Run().
 	 */
-	virtual ~DemandHandler() {}
+	virtual ~DemandHandler() = default;
 };
 
 #endif /* DEMANDS_H */

src/linkgraph/flowmapper.h

@@ -30,10 +30,6 @@ public:
 	FlowMapper(bool scale) : scale(scale) {}
 	virtual void Run(LinkGraphJob &job) const;
 
-	/**
-	 * Virtual destructor has to be defined because of virtual Run().
-	 */
-	virtual ~FlowMapper() {}
 private:
 
 	/**

src/linkgraph/init.h

@@ -17,11 +17,6 @@ public:
 	 * @param job Job to be initialized.
 	 */
 	virtual void Run(LinkGraphJob &job) const { job.Init(); }
-
-	/**
-	 * Virtual destructor has to be defined because of virtual Run().
-	 */
-	virtual ~InitHandler() {}
 };
 
 #endif /* INIT_H */

src/linkgraph/linkgraphschedule.h

@@ -23,7 +23,7 @@ public:
 	/**
 	 * Destroy the handler. Must be given due to virtual Run.
 	 */
-	virtual ~ComponentHandler() {}
+	virtual ~ComponentHandler() = default;
 
 	/**
 	 * Run the handler. A link graph handler must not read or write any data

src/linkgraph/mcf.h

@@ -81,11 +81,6 @@ public:
 	 * @param graph Component to be calculated.
 	 */
 	virtual void Run(LinkGraphJob &job) const { Tpass pass(job); }
-
-	/**
-	 * Destructor. Has to be given because of virtual Run().
-	 */
-	virtual ~MCFHandler() {}
 };
 
 #endif /* MCF_H */