Nandroid restore of sd-ext.
diff --git a/extendedcommands.h b/extendedcommands.h
index 1223fcd..0683fd6 100644
--- a/extendedcommands.h
+++ b/extendedcommands.h
@@ -36,3 +36,6 @@
 
 void
 show_advanced_menu();
+
+int
+format_mmc_device(char* root);