net/http: correct RFC for MethodPatch
net/http: correct RFC for MethodPatch

Fixes #15546.

Change-Id: I39c29ea6999812dd5f1c45f67bddad28f20b6c6b
Reviewed-on: https://go-review.googlesource.com/22773
Reviewed-by: Brad Fitzpatrick <ae9783c0b0efc69cd85ab025ddd17aa44cdc4aa5@golang.org>

vsekhar/elastic-go,josharian/go,cloudflare/go,momchil-velikov/go,golang/go,Cofyc/go,ImJasonH/go,ImJasonH/go,codestation/go,Cofyc/go,theif519/go,Cofyc/go,theif519/go,vsekhar/elastic-go,ganboing/go-esx,goodlang/good,golang/go,vsekhar/elastic-go,momchil-velikov/go,golang/go,nawawi/go,suncycheng/go,derekmarcotte/go,ganboing/go-esx,derekmarcotte/go,codestation/go,momchil-velikov/go,akutz/go,4ad/go,goodlang/good,theif519/go,CAFxX/go,linux-on-ibm-z/go,codestation/go,momchil-velikov/go,4ad/go,linux-on-ibm-z/go,4ad/go,golang/go,theif519/go,cloudflare/go,CAFxX/go,polyverse-security/go,suncycheng/go,codestation/go,linux-on-ibm-z/go,ganboing/go-esx,vsekhar/elastic-go,christopher-henderson/Go,momchil-velikov/go,CAFxX/go,vsekhar/elastic-go,suncycheng/go,derekmarcotte/go,akutz/go,polyverse-security/go,linux-on-ibm-z/go,polyverse-security/go,polyverse-security/go,4ad/go,theif519/go,cloudflare/go,theif519/go,4ad/go,nawawi/go,cloudflare/go,linux-on-ibm-z/go,CAFxX/go,nawawi/go,codestation/go,vsekhar/elastic-go,CAFxX/go,momchil-velikov/go,golang/go,polyverse-security/go,ImJasonH/go,polyverse-security/go,derekmarcotte/go,Cofyc/go,nawawi/go,derekmarcotte/go,akutz/go,cloudflare/go,cloudflare/go,josharian/go,Cofyc/go,akutz/go,derekmarcotte/go,theif519/go,polyverse-security/go,suncycheng/go,golang/go,suncycheng/go,linux-on-ibm-z/go,ImJasonH/go,codestation/go,goodlang/good,goodlang/good,derekmarcotte/go,golang/go,vsekhar/elastic-go,suncycheng/go,Cofyc/go,josharian/go,josharian/go,cloudflare/go,josharian/go,derekmarcotte/go,suncycheng/go,polyverse-security/go,ImJasonH/go,linux-on-ibm-z/go,nawawi/go,ImJasonH/go,theif519/go,goodlang/good,codestation/go,nawawi/go,ganboing/go-esx,suncycheng/go,4ad/go,ganboing/go-esx,codestation/go,ganboing/go-esx,akutz/go,josharian/go,cloudflare/go,nawawi/go,4ad/go,CAFxX/go,josharian/go,nawawi/go,Cofyc/go,goodlang/good,josharian/go,Cofyc/go,CAFxX/go,akutz/go,ImJasonH/go,ImJasonH/go,4ad/go,momchil-velikov/go,goodlang/good,goodlang/good,momchil-velikov/go,akutz/go,linux-on-ibm-z/go,CAFxX/go,ganboing/go-esx,golang/go,akutz/go,vsekhar/elastic-go,ganboing/go-esx