Remove trailing whitespace (#3668)

Foundation/include/Poco/Semaphore.h

@@ -35,16 +35,16 @@ namespace Poco {
 
 
 class Foundation_API Semaphore: private SemaphoreImpl
-	/// A Semaphore is a synchronization object with the following 
+	/// A Semaphore is a synchronization object with the following
 	/// characteristics:
 	/// A semaphore has a value that is constrained to be a non-negative
-	/// integer and two atomic operations. The allowable operations are V 
-	/// (here called set()) and P (here called wait()). A V (set()) operation 
-	/// increases the value of the semaphore by one. 
-	/// A P (wait()) operation decreases the value of the semaphore by one, 
-	/// provided that can be done without violating the constraint that the 
-	/// value be non-negative. A P (wait()) operation that is initiated when 
-	/// the value of the semaphore is 0 suspends the calling thread. 
+	/// integer and two atomic operations. The allowable operations are V
+	/// (here called set()) and P (here called wait()). A V (set()) operation
+	/// increases the value of the semaphore by one.
+	/// A P (wait()) operation decreases the value of the semaphore by one,
+	/// provided that can be done without violating the constraint that the
+	/// value be non-negative. A P (wait()) operation that is initiated when
+	/// the value of the semaphore is 0 suspends the calling thread.
 	/// The calling thread may continue when the value becomes positive again.
 {
 public:
@@ -60,7 +60,7 @@ public:
 		/// greater than zero, n must be greater than
 		/// or equal to zero and less than or equal
 		/// to max.
-		
+
 	~Semaphore();
 		/// Destroys the semaphore.
 
@@ -73,7 +73,7 @@ public:
 	void wait();
 		/// Waits for the semaphore to become signalled.
 		/// To become signalled, a semaphore's value must
-		/// be greater than zero. 
+		/// be greater than zero.
 		/// Decrements the semaphore's value by one.
 
 	void wait(long milliseconds);
@@ -95,7 +95,7 @@ public:
 		/// time interval, false otherwise.
 		/// Decrements the semaphore's value by one
 		/// if successful.
-	
+
 private:
 	Semaphore();
 	Semaphore(const Semaphore&);