Added StoppedNotify()

This fixes scripts waiting for another executing script which fixes Actor being stuck on some animations

code/script/scriptclass.cpp

@@ -76,6 +76,16 @@ ScriptClass::~ScriptClass()
     }
 }
 
+/*
+====================
+StoppedNotify
+====================
+*/
+void ScriptClass::StoppedNotify()
+{
+    delete this;
+}
+
 /*
 ====================
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