Delete the acc script when deleting the Renderscript rsScriptC object.

Previously we had been leaking the ACCscript object.
diff --git a/rs.spec b/rs.spec
index 65a4a82..98c7008 100644
--- a/rs.spec
+++ b/rs.spec
@@ -288,7 +288,8 @@
 	}
 
 ScriptCSetScript {
-	param void * ptr
+	param void * accScript
+	param void * codePtr
 	}
 
 ScriptCCreate {