--- a/vendor/golang.org/x/sys/unix/endian_little.go	Wed Sep 18 19:17:42 2019 +0200
+++ b/vendor/golang.org/x/sys/unix/endian_little.go	Sun Feb 16 18:54:01 2020 +0100
@@ -2,7 +2,7 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 //
-// +build 386 amd64 amd64p32 arm arm64 ppc64le mipsle mips64le
+// +build 386 amd64 amd64p32 arm arm64 ppc64le mipsle mips64le riscv64
 
 package unix