Fixes for multi-user in 4.2

Also fixed inability to delete backups with a space in the name.

Change-Id: I2f6639d33caa3c4542960f76adbd59b25ab64f5d
diff --git a/data.hpp b/data.hpp
index 98c40fe..42c7220 100644
--- a/data.hpp
+++ b/data.hpp
@@ -48,6 +48,7 @@
     static void DumpValues();
 	static void update_tz_environment_variables();
+	static void SetBackupFolder();
 	static void SetDefaultValues();
 	static void Output_Version(void); // Outputs the version to a file in the TWRP folder
 	static void ReadSettingsFile(void);