Remove a cache variable, which is no longer with the pango render engine.

src/gui/widgets/control.cpp

@@ -44,7 +44,6 @@ tcontrol::tcontrol(const unsigned canvas_count) :
 	visible_(true),
 	label_(),
 	multiline_label_(false),
-	wrapped_label_(),
 	tooltip_(),
 	help_message_(),
 	canvas_(canvas_count),
@@ -185,9 +184,6 @@ void tcontrol::set_size(const SDL_Rect& rect)
 		canvas.set_height(rect.h);
 	}
 
-	// clear the cache.
-	wrapped_label_.clear();
-	
 	// inherited
 	twidget::set_size(rect);
 }
@@ -199,7 +195,6 @@ void tcontrol::set_label(const t_string& label)
 	}
 
 	label_ = label;
-	wrapped_label_.clear();
 	set_canvas_text();
 	set_dirty();
 }

src/gui/widgets/control.hpp

@@ -206,15 +206,6 @@ private:
 	 */
 	bool multiline_label_;
 
-	/**
-	 * Contains the wrapped text for a multiline label.
-	 *
-	 * This is a cache which contains the translated label text with extra line
-	 * endings. The extra line endings are determined in the sizing code and
-	 * which text will be rendered in the end.
-	 */
-	std::string wrapped_label_;
-
 	/**
 	 * Tooltip text.
 	 *