Remove trailing whitespace (#3668)

Foundation/include/Poco/Observer.h

@@ -30,7 +30,7 @@ template <class C, class N>
 class Observer: public AbstractObserver
 	/// This template class implements an adapter that sits between
 	/// a NotificationCenter and an object receiving notifications
-	/// from it. It is quite similar in concept to the 
+	/// from it. It is quite similar in concept to the
 	/// RunnableAdapter, but provides some NotificationCenter
 	/// specific additional methods.
 	/// See the NotificationCenter class for information on how
@@ -44,23 +44,23 @@ class Observer: public AbstractObserver
 public:
 	typedef void (C::*Callback)(N*);
 
-	Observer(C& object, Callback method): 
-		_pObject(&object), 
+	Observer(C& object, Callback method):
+		_pObject(&object),
 		_method(method)
 	{
 	}
-	
+
 	Observer(const Observer& observer):
 		AbstractObserver(observer),
-		_pObject(observer._pObject), 
+		_pObject(observer._pObject),
 		_method(observer._method)
 	{
 	}
-	
+
 	~Observer()
 	{
 	}
-	
+
 	Observer& operator = (const Observer& observer)
 	{
 		if (&observer != this)
@@ -85,7 +85,7 @@ public:
 			}
 		}
 	}
-	
+
 	bool equals(const AbstractObserver& abstractObserver) const
 	{
 		const Observer* pObs = dynamic_cast<const Observer*>(&abstractObserver);
@@ -96,19 +96,19 @@ public:
 	{
 		return dynamic_cast<N*>(pNf) && (!pName || pNf->name() == pName);
 	}
-	
+
 	AbstractObserver* clone() const
 	{
 		return new Observer(*this);
 	}
-	
+
 	void disable()
 	{
 		Poco::Mutex::ScopedLock lock(_mutex);
-		
+
 		_pObject = 0;
 	}
-	
+
 private:
 	Observer();