runtime: clean redundant call of environ function

Change-Id: Ica7179d225c1fb79381f82f58ea5050ac6418b9c
Reviewed-on: https://go-review.googlesource.com/42493
Reviewed-by: Daniel Martí <mvdan@mvdan.cc>
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
Run-TryBot: Daniel Martí <mvdan@mvdan.cc>
TryBot-Result: Gobot Gobot <gobot@golang.org>

diff --git a/src/runtime/env_posix.go b/src/runtime/env_posix.go
index da344257ae6b7f1ec9e615a3fda87270cd2aee2c..6b45a43f74a815cbf5bb584dc1c3f0604b04325e 100644 (file)
--- a/src/runtime/env_posix.go
+++ b/src/runtime/env_posix.go
@@ -13,7 +13,7 @@ func gogetenv(key string) string {
        if env == nil {
                throw("getenv before env init")
        }
-       for _, s := range environ() {
+       for _, s := range env {
                if len(s) > len(key) && s[len(key)] == '=' && s[:len(key)] == key {
                        return s[len(key)+1:]
                }