content/profiling-go-programs: more updates to googlecode.com URLs

Updates golang/go#18907.

Change-Id: Ic38d232e26d2310d22e465a2071e81893a519ca5
Reviewed-on: https://go-review.googlesource.com/36312
Reviewed-by: Alberto Donizetti <alb.donizetti@gmail.com>
Reviewed-by: Chris Broadfoot <cbro@golang.org>
diff --git a/content/profiling-go-programs.article b/content/profiling-go-programs.article
index db0c6fc..9f533d1 100644
--- a/content/profiling-go-programs.article
+++ b/content/profiling-go-programs.article
@@ -185,7 +185,7 @@
 	(pprof) web
 
 A small fragment of
-[[http://benchgraffiti.googlecode.com/hg/havlak/havlak1.svg][the full graph]] looks like:
+[[https://rawgit.com/rsc/benchgraffiti/master/havlak/havlak1.svg][the full graph]] looks like:
 
 .image profiling-go-programs_havlak1a-75.png
 
@@ -240,7 +240,7 @@
 listing; when there are enough samples this can help you see which instructions are
 expensive.
 The `weblist` command mixes the two modes: it shows
-[[http://benchgraffiti.googlecode.com/hg/havlak/havlak1.html][a source listing in which clicking a line shows the disassembly]].
+[[https://rawgit.com/rsc/benchgraffiti/master/havlak/havlak1.html][a source listing in which clicking a line shows the disassembly]].
 
 Since we already know that the time is going into map lookups implemented by the
 hash runtime functions, we care most about the second column.