update vendor and fix get

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

@@ -3,8 +3,10 @@
 package common
 
 import (
+	"context"
 	"unsafe"
 
+	"github.com/StackExchange/wmi"
 	"golang.org/x/sys/windows"
 )
 
@@ -49,7 +51,7 @@ var (
 	ModNt       = windows.NewLazyDLL("ntdll.dll")
 	ModPdh      = windows.NewLazyDLL("pdh.dll")
 	ModPsapi    = windows.NewLazyDLL("psapi.dll")
-	
+
 	ProcGetSystemTimes           = Modkernel32.NewProc("GetSystemTimes")
 	ProcNtQuerySystemInformation = ModNt.NewProc("NtQuerySystemInformation")
 	PdhOpenQuery                 = ModPdh.NewProc("PdhOpenQuery")
@@ -110,3 +112,18 @@ func CreateCounter(query windows.Handle, pname, cname string) (*CounterInfo, err
 		Counter:     counter,
 	}, nil
 }
+
+// WMIQueryWithContext - wraps wmi.Query with a timed-out context to avoid hanging
+func WMIQueryWithContext(ctx context.Context, query string, dst interface{}, connectServerArgs ...interface{}) error {
+	errChan := make(chan error, 1)
+	go func() {
+		errChan <- wmi.Query(query, dst, connectServerArgs...)
+	}()
+
+	select {
+	case <-ctx.Done():
+		return ctx.Err()
+	case err := <-errChan:
+		return err
+	}
+}

vendor/vendor.json

@@ -57,10 +57,10 @@
 			"revisionTime": "2017-11-12T16:40:41Z"
 		},
 		{
-			"checksumSHA1": "p9EXxuL/vV13YRPfgTBA3B/68Vo=",
+			"checksumSHA1": "jWpwWWcywJPNhKTYxi4RXds+amQ=",
 			"path": "github.com/shirou/gopsutil/internal/common",
-			"revision": "a8bc26299477e53c4ca89f7ec60160a74d4c0890",
-			"revisionTime": "2017-11-12T16:40:41Z"
+			"revision": "bfe3c2e8f406bf352bc8df81f98c752224867349",
+			"revisionTime": "2017-11-21T12:01:14Z"
 		},
 		{
 			"checksumSHA1": "UuwHornIODuEq7fYnsZwdVgERLk=",