doc: add a CL to go1.8.txt mentioned by Alberto Donizetti
doc: add a CL to go1.8.txt mentioned by Alberto Donizetti

Change-Id: I43617e6dfd5b8227a8ef907dc22c00188de87b94
Reviewed-on: https://go-review.googlesource.com/32915
Reviewed-by: Brad Fitzpatrick <ae9783c0b0efc69cd85ab025ddd17aa44cdc4aa5@golang.org>

linux-on-ibm-z/go,codestation/go,goodlang/good,akutz/go,derekmarcotte/go,polyverse-security/go,suncycheng/go,josharian/go,linux-on-ibm-z/go,cloudflare/go,cloudflare/go,nawawi/go,cloudflare/go,vsekhar/elastic-go,goodlang/good,polyverse-security/go,derekmarcotte/go,goodlang/good,nawawi/go,derekmarcotte/go,CAFxX/go,polyverse-security/go,derekmarcotte/go,akutz/go,cloudflare/go,ImJasonH/go,vsekhar/elastic-go,akutz/go,suncycheng/go,vsekhar/elastic-go,cloudflare/go,codestation/go,ImJasonH/go,ImJasonH/go,codestation/go,akutz/go,vsekhar/elastic-go,linux-on-ibm-z/go,CAFxX/go,derekmarcotte/go,linux-on-ibm-z/go,polyverse-security/go,golang/go,suncycheng/go,codestation/go,derekmarcotte/go,josharian/go,polyverse-security/go,goodlang/good,golang/go,codestation/go,nawawi/go,goodlang/good,golang/go,Cofyc/go,ImJasonH/go,josharian/go,akutz/go,ImJasonH/go,linux-on-ibm-z/go,akutz/go,suncycheng/go,CAFxX/go,josharian/go,vsekhar/elastic-go,CAFxX/go,polyverse-security/go,CAFxX/go,Cofyc/go,Cofyc/go,josharian/go,codestation/go,CAFxX/go,goodlang/good,Cofyc/go,vsekhar/elastic-go,vsekhar/elastic-go,nawawi/go,josharian/go,christopher-henderson/Go,suncycheng/go,Cofyc/go,nawawi/go,akutz/go,ImJasonH/go,linux-on-ibm-z/go,derekmarcotte/go,ImJasonH/go,codestation/go,polyverse-security/go,derekmarcotte/go,linux-on-ibm-z/go,CAFxX/go,Cofyc/go,CAFxX/go,codestation/go,suncycheng/go,golang/go,josharian/go,goodlang/good,suncycheng/go,vsekhar/elastic-go,nawawi/go,akutz/go,golang/go,polyverse-security/go,cloudflare/go,golang/go,linux-on-ibm-z/go,cloudflare/go,golang/go,nawawi/go,golang/go,suncycheng/go,Cofyc/go,goodlang/good,nawawi/go,Cofyc/go,cloudflare/go,josharian/go,ImJasonH/go