cleanup function declaration of filelist_view.c

git-svn-id: https://rt-thread.googlecode.com/svn/trunk@468 bbd45198-f89e-11dd-88c7-29a3b14d5316

rtgui/widgets/filelist_view.c

@@ -219,7 +219,7 @@ const static char * folder_xpm[] = {
 
 /* image for file and folder */
 static rtgui_image_t *file_image, *folder_image;
-static static void rtgui_filelist_view_clear(rtgui_filelist_view_t* view);
+static void rtgui_filelist_view_clear(rtgui_filelist_view_t* view);
 
 static void _rtgui_filelist_view_constructor(struct rtgui_filelist_view *view)
 {