Fix typescript declaration issue

twopoint718 · twopoint718 · commit 0f57466f493e · 2013-10-20T17:03:31.000-05:00
Declare now needed: https://typescript.codeplex.com/wikipage?title=Known%20breaking%20changes%20between%200.8%20and%200.9
diff --git a/test/support/site/ref2_1.d.ts b/test/support/site/ref2_1.d.ts
@@ -1 +1 @@
-var f: (x: number, y: number) => number;
+declare var f: (x: number, y: number) => number;

Original file line number	Diff line number	Diff line change
`@@ -1 +1 @@`
`1`		`-var f: (x: number, y: number) => number;`
	`1`	`+declare var f: (x: number, y: number) => number;`