Fix mistake in C++ code

Pharap · thewilsonator · commit 580358cd48fc · 2018-11-18T19:05:17.000+08:00
int is not guaranteed to be at least 32 bits, it can be as small as 16 bits in some implementations (e.g. AVR chips).
long on the other hand is guaranteed to be at least 32 bits.
diff --git a/articles/cpptod.dd b/articles/cpptod.dd
@@ -638,7 +638,7 @@ struct Integer&lt; 16 &gt;
 
 struct Integer&lt; 32 &gt;
 {
-    typedef int int_type ;
+    typedef long int_type ;
 };
 
 struct Integer&lt; 64 &gt;

Original file line number	Diff line number	Diff line change
`@@ -638,7 +638,7 @@ struct Integer< 16 >`
`638`	`638`
`639`	`639`	`struct Integer< 32 >`
`640`	`640`	`{`
`641`		`- typedef int int_type ;`
	`641`	`+ typedef long int_type ;`
`642`	`642`	`};`
`643`	`643`
`644`	`644`	`struct Integer< 64 >`