go-tour: escape ">" to ">".

R=golang-dev, dsymonds
CC=golang-dev
https://golang.org/cl/6490109
diff --git a/static/index.html b/static/index.html
index 6b0a06a..fdd819e 100644
--- a/static/index.html
+++ b/static/index.html
@@ -360,7 +360,7 @@
 
 const (
 	Big = 1<<100
-	Small = Big>>99
+	Small = Big>>99
 )
 
 func needInt(x int) int { return x*10 + 1 }