[release-branch.r60] template: fix deadlock.

««« CL 4963054 / c581abafc917
template: fix deadlock.
No need for lexInsideAction to loop.
Fixes #2217.

R=golang-dev, bradfitz
CC=golang-dev
https://golang.org/cl/4963054
»»»

R=dsymonds
CC=golang-dev
https://golang.org/cl/4974068
2 files changed