File 01-CFrac-include.patch of Package Temperament

--- Source/CFrac.h.orig	2020-03-13 11:38:14.063846888 +1000
+++ Source/CFrac.h	2020-03-13 10:17:44.991794019 +1000
@@ -11,6 +11,7 @@
 #pragma once
 
 #include <vector>
+#include <string>
 using namespace std;
 
 namespace CFrac {