Update fountain and add writable flag to script slots.
diff --git a/rsScript.h b/rsScript.h
index dc66763..60f83a6 100644
--- a/rsScript.h
+++ b/rsScript.h
@@ -61,6 +61,7 @@
     ObjectBaseRef<Allocation> mSlots[MAX_SCRIPT_BANKS];
     ObjectBaseRef<const Type> mTypes[MAX_SCRIPT_BANKS];
     String8 mSlotNames[MAX_SCRIPT_BANKS];
+    bool mSlotWritable[MAX_SCRIPT_BANKS];
 
     virtual bool run(Context *, uint32_t launchID) = 0;
 };