cmd/tip: update talks hash to pull in e00c182

Updates golang/go#21643

Change-Id: Ic662ac6ca152d8cf702b02651f55936a29a2e234
Reviewed-on: https://go-review.googlesource.com/95675
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
diff --git a/cmd/tip/talks.go b/cmd/tip/talks.go
index 3fc9e1e..a1a7a95 100644
--- a/cmd/tip/talks.go
+++ b/cmd/tip/talks.go
@@ -21,7 +21,7 @@
 	return heads["talks"]
 }
 
-const talksToolsRev = "e04df2157ae7263e17159baabadc99fb03fc7514"
+const talksToolsRev = "8cab8a1319f0be9798e7fe78b15da75e5f94b2e9"
 
 func (b talksBuilder) Init(dir, hostport string, heads map[string]string) (*exec.Cmd, error) {
 	toolsDir := filepath.Join(dir, "gopath/src/golang.org/x/tools")