x509: Fixed ASN.1 encoding in CRL Distribution Points extension
x509: Fixed ASN.1 encoding in CRL Distribution Points extension

The ASN.1 encoding of the CRL Distribution Points extension showed an invalid false 'IsCompound' which caused a display problem in the Windows certificate viewer.

LGTM=agl
R=agl
CC=golang-codereviews
https://codereview.appspot.com/143320043

Committer: Adam Langley <db68fba232b2c49ed3e9d3081df349dde7b61dfd@golang.org>

tv42/old-go,tv42/old-go,tv42/old-go,tv42/old-go,tv42/old-go,tv42/old-go,tv42/old-go