Modernize source code: last part (#6285)

* Modernize source code: last par

* Use empty when needed
* Use emplace_back instead of push_back when needed
* For range-based loops
* Initializers fixes
* constructors, destructors default
* c++ C stl includes

1 files changed, 3 insertions, 3 deletions

diff --git a/src/event.h b/src/event.h
index c53c59d74..488152855 100644
--- a/src/event.h
+++ b/src/event.h
@@ -22,7 +22,7 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 class MtEvent
 {
 public:
-	virtual ~MtEvent() {};
+	virtual ~MtEvent() = default;
 	//virtual MtEvent* clone(){ return new IEvent; }
 	virtual const char* getType() const = 0;
 
@@ -49,7 +49,7 @@ public:
 class MtEventReceiver
 {
 public:
-	virtual ~MtEventReceiver(){};
+	virtual ~MtEventReceiver() = default;
 	virtual void onEvent(MtEvent *e) = 0;
 };
 
@@ -58,7 +58,7 @@ typedef void (*event_receive_func)(MtEvent *e, void *data);
 class MtEventManager
 {
 public:
-	virtual ~MtEventManager(){};
+	virtual ~MtEventManager() = default;
 	virtual void put(MtEvent *e) = 0;
 	virtual void reg(const char *type, event_receive_func f, void *data) = 0;
 	// If data==NULL, every occurence of f is deregistered.