added Matt Ebb's icons for the new headerbuttons.

source/blender/include/BIF_resources.h

@@ -214,8 +214,8 @@ typedef enum {
 	ICON_FULLSCREEN,
 	ICON_SPLITSCREEN,
 	ICON_RIGHTARROW_THIN,
-	ICON_BLANK27,
-	ICON_BLANK28,
+	ICON_DISCLOSURE_TRI_RIGHT,
+	ICON_DISCLOSURE_TRI_DOWN,
 	ICON_SCENE_SEPIA,
 	ICON_SCENE_DEHLT,
 	ICON_OBJECT,
@@ -229,8 +229,8 @@ typedef enum {
 	ICON_IPO_DEHLT,
 	ICON_LIBRARY_DEHLT,
 	ICON_IMAGE_DEHLT,
-	ICON_BLANK29,
-	ICON_BLANK30,
+	ICON_WINDOW_FULLSCREEN,
+	ICON_WINDOW_WINDOW,
 	ICON_BLANK31,
 	
 	ICON_BLENDER,
@@ -319,4 +319,3 @@ void	BIF_draw_icon_blended	(BIFIconID icon, BIFColorID color, BIFColorShade shad
 void	BIF_set_color			(BIFColorID color, BIFColorShade shade);
 
 #endif /*  BIF_ICONS_H */
-