update building script.

git-svn-id: https://rt-thread.googlecode.com/svn/trunk@856 bbd45198-f89e-11dd-88c7-29a3b14d5316

components/rtgui/SConscript

@@ -4,6 +4,7 @@ Import('RTT_ROOT')
 Import('projects')
 
 common_src = Split("""
+common/blit.c
 common/color.c
 common/region.c
 common/rtgui_object.c
@@ -11,8 +12,9 @@ common/rtgui_system.c
 common/rtgui_theme.c
 common/rtgui_xml.c
 common/dc.c
-common/dc_buffer.c
 common/dc_hw.c
+common/dc_buffer.c
+common/dc_client.c
 common/filerw.c
 common/image.c
 common/image_xpm.c
@@ -44,6 +46,7 @@ widgets/label.c
 widgets/progressbar.c
 widgets/radiobox.c
 widgets/slider.c
+widgets/scrollbar.c
 widgets/staticline.c
 widgets/textbox.c
 widgets/listbox.c