Update romfs dummy code.

git-svn-id: https://rt-thread.googlecode.com/svn/trunk@1391 bbd45198-f89e-11dd-88c7-29a3b14d5316

components/dfs/filesystems/romfs/romfs.c

@@ -15,9 +15,9 @@ const static unsigned char _dummy_txt[] = {
 };
 
 const struct romfs_dirent _root_dirent[] = {
-	{ROMFS_DIRENT_DIR, "dummy", _dummy, sizeof(_dummy)/sizeof(_dummy[0])},
+	{ROMFS_DIRENT_DIR, "dummy", (rt_uint8_t*) _dummy, sizeof(_dummy)/sizeof(_dummy[0])},
 	{ROMFS_DIRENT_FILE, "dummy.txt", _dummy_txt, sizeof(_dummy_txt)},
 };
 
-const struct romfs_dirent romfs_root = {ROMFS_DIRENT_DIR, "/", _root_dirent, sizeof(_root_dirent)/sizeof(_root_dirent[0])};
+const struct romfs_dirent romfs_root = {ROMFS_DIRENT_DIR, "/", (rt_uint8_t*) _root_dirent, sizeof(_root_dirent)/sizeof(_root_dirent[0])};