Update to latest upstream gopsutil

vendor/github.com/shirou/gopsutil/internal/common/common.go

@@ -358,3 +358,19 @@ func Pipeline(cmds ...*exec.Cmd) ([]byte, []byte, error) {
 	// Return the pipeline output and the collected standard error
 	return output.Bytes(), stderr.Bytes(), nil
 }
+
+// getSysctrlEnv sets LC_ALL=C in a list of env vars for use when running
+// sysctl commands (see DoSysctrl).
+func getSysctrlEnv(env []string) []string {
+	foundLC := false
+	for i, line := range env {
+		if strings.HasPrefix(line, "LC_ALL") {
+			env[i] = "LC_ALL=C"
+			foundLC = true
+		}
+	}
+	if !foundLC {
+		env = append(env, "LC_ALL=C")
+	}
+	return env
+}

vendor/github.com/shirou/gopsutil/internal/common/common_darwin.go

@@ -12,16 +12,13 @@ import (
 )
 
 func DoSysctrl(mib string) ([]string, error) {
-	err := os.Setenv("LC_ALL", "C")
-	if err != nil {
-		return []string{}, err
-	}
-
 	sysctl, err := exec.LookPath("/usr/sbin/sysctl")
 	if err != nil {
 		return []string{}, err
 	}
-	out, err := exec.Command(sysctl, "-n", mib).Output()
+	cmd := exec.Command(sysctl, "-n", mib)
+	cmd.Env = getSysctrlEnv(os.Environ())
+	out, err := cmd.Output()
 	if err != nil {
 		return []string{}, err
 	}

vendor/github.com/shirou/gopsutil/internal/common/common_freebsd.go

@@ -12,15 +12,13 @@ import (
 )
 
 func DoSysctrl(mib string) ([]string, error) {
-	err := os.Setenv("LC_ALL", "C")
-	if err != nil {
-		return []string{}, err
-	}
 	sysctl, err := exec.LookPath("/sbin/sysctl")
 	if err != nil {
 		return []string{}, err
 	}
-	out, err := exec.Command(sysctl, "-n", mib).Output()
+	cmd := exec.Command(sysctl, "-n", mib)
+	cmd.Env = getSysctrlEnv(os.Environ())
+	out, err := cmd.Output()
 	if err != nil {
 		return []string{}, err
 	}

vendor/github.com/shirou/gopsutil/internal/common/common_linux.go

@@ -9,23 +9,12 @@ import (
 )
 
 func DoSysctrl(mib string) ([]string, error) {
-	hostEnv := os.Environ()
-	foundLC := false
-	for i, line := range hostEnv {
-		if strings.HasPrefix(line, "LC_ALL") {
-			hostEnv[i] = "LC_ALL=C"
-			foundLC = true
-		}
-	}
-	if !foundLC {
-		hostEnv = append(hostEnv, "LC_ALL=C")
-	}
 	sysctl, err := exec.LookPath("/sbin/sysctl")
 	if err != nil {
 		return []string{}, err
 	}
 	cmd := exec.Command(sysctl, "-n", mib)
-	cmd.Env = hostEnv
+	cmd.Env = getSysctrlEnv(os.Environ())
 	out, err := cmd.Output()
 	if err != nil {
 		return []string{}, err

vendor/github.com/shirou/gopsutil/internal/common/common_openbsd.go

@@ -12,15 +12,13 @@ import (
 )
 
 func DoSysctrl(mib string) ([]string, error) {
-	err := os.Setenv("LC_ALL", "C")
-	if err != nil {
-		return []string{}, err
-	}
 	sysctl, err := exec.LookPath("/sbin/sysctl")
 	if err != nil {
 		return []string{}, err
 	}
-	out, err := exec.Command(sysctl, "-n", mib).Output()
+	cmd := exec.Command(sysctl, "-n", mib)
+	cmd.Env = getSysctrlEnv(os.Environ())
+	out, err := cmd.Output()
 	if err != nil {
 		return []string{}, err
 	}