merges: allow user to perform snapshot merges in advanced menu

Change-Id: I894a0ef5a0ec8e208053358f09a6b8a6d4ee408a
diff --git a/gui/objects.hpp b/gui/objects.hpp
index 098c480..ae1eeff 100755
--- a/gui/objects.hpp
+++ b/gui/objects.hpp
@@ -378,6 +378,7 @@
 	int enablefastboot(std::string arg);
 	int changeterminal(std::string arg);
 	int applycustomtwrpfolder(std::string arg);
+	int mergesnapshots(std::string arg);
 #ifndef TW_EXCLUDE_NANO
 	int editfile(std::string arg);
 #endif