update go

lang/go/Makefile

@@ -2,7 +2,7 @@
 # $FreeBSD: head/lang/go/Makefile 470619 2018-05-22 14:32:09Z jlaffaye $
 
 PORTNAME=	go
-PORTVERSION=	1.14.5
+PORTVERSION=	1.15
 CATEGORIES=	lang
 MASTER_SITES=	https://golang.org/dl/
 DISTNAME=	go${PORTVERSION}.src

lang/go/distinfo

@@ -1,3 +1,3 @@
-TIMESTAMP = 1595188764
-SHA256 (go1.14.5.src.tar.gz) = ca4c080c90735e56152ac52cd77ae57fe573d1debb1a58e03da9cc362440315c
-SIZE (go1.14.5.src.tar.gz) = 22533577
+TIMESTAMP = 1598518026
+SHA256 (go1.15.src.tar.gz) = 69438f7ed4f532154ffaf878f3dfd83747e7a00b70b3556eddabf7aaee28ac3a
+SIZE (go1.15.src.tar.gz) = 23002901

lang/go/files/patch-src_cmd_go_internal_modload_vendor.go

@@ -1,7 +1,6 @@
-Upstream PR: https://github.com/golang/go/issues/37948
---- src/cmd/go/internal/modload/init.go.orig	2020-02-25 18:32:50 UTC
-+++ src/cmd/go/internal/modload/init.go
-@@ -562,7 +562,7 @@ func checkVendorConsistency() {
+--- src/cmd/go/internal/modload/vendor.go.orig	2020-06-11 12:36:37 UTC
++++ src/cmd/go/internal/modload/vendor.go
+@@ -133,7 +133,7 @@ func checkVendorConsistency() {
  	readVendorList()
  
  	pre114 := false