gotour: float64(1.0) -> float64(1)

R=rsc
CC=golang-dev
https://golang.org/cl/5396052
diff --git a/static/index.html b/static/index.html
index 89e6b81..0c5c381 100644
--- a/static/index.html
+++ b/static/index.html
@@ -1205,7 +1205,7 @@
 	Hint: to declare and initialize a floating point value, give it
 	floating point syntax or use a conversion:
 	<pre>
-	z := float64(1.0)
+	z := float64(1)
 	z := 1.0
 	</pre>