Strip trailing whitespace.

src/ai/default/ai.cpp

@@ -1573,7 +1573,7 @@ private:
 };
 
 
-	
+
 class bad_recalls_remover {
 public:
 	bad_recalls_remover(const std::map<std::string, int> unit_combat_scores)
@@ -1678,7 +1678,7 @@ bool ai_default_recruitment_stage::do_play_stage()
 	std::string id;
 	if (analyze_recall_list()) {
 		while ( !(id = find_suitable_recall_id()).empty() ) {
-		
+
 			recall_result_ptr recall_res = check_recall_action(id);
 			if (recall_res->is_ok()) {
 				recall_res->execute();

src/gui/auxiliary/event/dispatcher.hpp

@@ -130,7 +130,7 @@ public:
 	 * The signal handler has three callback queues:
 	 * * pre_child These callbacks are called before a container widget sends it
 	 *   to the child items. Widgets without children should also use this
-	 *   queue. 
+	 *   queue.
 	 * * child The callbacks for the proper child widget(s) are called.
 	 * * post_child The callbacks for the parent container to be called after
 	 *   the child.
@@ -139,7 +139,7 @@ public:
 	 * back.
 	 *
 	 * Whether all three queues are executed depend on the whether the
-	 * callbacks modify the handled and halt flag. 
+	 * callbacks modify the handled and halt flag.
 	 * * When the halt flag is set execution of the current queue stops, when
 	 *   doing so the handled flag must be set as well.
 	 * * When the handled flag is set the events in that queue are executed and

src/gui/auxiliary/event/handler.hpp

@@ -72,7 +72,7 @@ enum tevent {
  *
  * This helper is needed as a user can't supply the wrong kind of callback
  * functions to tdispatcher::connect_signal. If a wrong callback would be send
- * it will never get called. 
+ * it will never get called.
  *
  * This version is for callbacks without extra parameters.
  * NOTE some mouse functions like MOUSE_ENTER don't send the mouse coordinates

src/mouse_events.cpp

@@ -475,7 +475,7 @@ bool mouse_handler::left_click(int x, int y, const bool browse)
 				// (update shroud/fog, clear undo if needed)
 				return false;
 			}
-			
+
 			// a WML event could have invalidated both attacker and defender
 			// so make sure they're valid before attacking
 			u = find_unit(attack_from);
@@ -685,8 +685,8 @@ int mouse_handler::show_attack_dialog(const map_location& attacker_loc, const ma
 
 		// add dummy names if missing, to keep stats aligned
 		std::string attw_name = attw.name();
-		if(attw_name.empty()) 
-			attw_name = " "; 
+		if(attw_name.empty())
+			attw_name = " ";
 		std::string defw_name = defw.name();
 		if(defw_name.empty())
 			defw_name = " ";
@@ -731,7 +731,7 @@ int mouse_handler::show_attack_dialog(const map_location& attacker_loc, const ma
 	}
 	cursor::set(cursor::NORMAL);
 
-	return res; 
+	return res;
 }
 
 void mouse_handler::attack_enemy(unit_map::iterator attacker, unit_map::iterator defender, int choice)