rm makefile on clean

scripts/debian/rules

@@ -11,5 +11,6 @@ override_dh_auto_clean:
 	find src/ -type f -name "*.o" -delete
 	find src/ -type f -name "Makefile.var" -delete
 	find bin/ -type f -executable -delete
+	rm -f Makefile
 
 override_dh_usrlocal: