CHintBox: try to optimize height and width of message window

Origin commit data
------------------
Commit: a5ce26dfd9
Author: Thilo Graf <dbt@novatux.de>
Date: 2016-10-23 (Sun, 23 Oct 2016)

src/gui/widget/hintbox.h

@@ -57,6 +57,8 @@ class CHintBox : public CComponentsWindow
 		int w_indentation;
 		int hb_text_mode;
 
+		Font* hb_font;
+
 		///global count of lines
 		uint lines;