cmd/goyacc: double ACTSIZE, NSTATE and TEMPSTATE
cmd/goyacc: double ACTSIZE, NSTATE and TEMPSTATE

CockroachDB has yet again hit the limit of ACTSIZE. Following the
precedent set by CL 33585 and doubling the relevant ACTSIZE, NSTATE and
TEMPSTATE const variables.

Change-Id: Ic090c7744bc4f1ae0f69b0ffced9a5338e923643
GitHub-Last-Rev: 2f1e8ccfe336aacc12c9e2c91d3836f6c4593414
GitHub-Pull-Request: golang/tools#259
Reviewed-on: https://go-review.googlesource.com/c/tools/+/274892
Reviewed-by: Ian Lance Taylor <87e9c6d529889242b7e184afb632328636553ab4@golang.org>
Reviewed-by: Matthew Dempsky <e56ac2c500064424afac424d4b5e53bd0570a731@google.com>

golang/tools,golang/tools,golang/tools,golang/tools,golang/tools