Remove trailing whitespace (#3668)

Foundation/samples/ActiveMethod/src/ActiveMethod.cpp

@@ -27,14 +27,14 @@ public:
 		int a;
 		int b;
 	};
-	
+
 	ActiveMethodExample():
 		activeAdd(this, &ActiveMethodExample::activeAddImp)
 	{
 	}
-	
+
 	ActiveMethod<int, AddArgs, ActiveMethodExample> activeAdd;
-	
+
 private:
 	int activeAddImp(const AddArgs& args)
 	{
@@ -46,11 +46,11 @@ private:
 int main(int argc, char** argv)
 {
 	ActiveMethodExample example;
-	
+
 	ActiveMethodExample::AddArgs args = {1, 2};
 	ActiveResult<int> result = example.activeAdd(args);
 	result.wait();
 	std::cout << result.data() << std::endl;
-	
+
 	return 0;
 }