Update vendor (#1228)

vendor/github.com/mattn/go-colorable/colorable_windows.go

@@ -10,6 +10,7 @@ import (
 	"os"
 	"strconv"
 	"strings"
+	"sync"
 	"syscall"
 	"unsafe"
 
@@ -27,6 +28,7 @@ const (
 	backgroundRed       = 0x40
 	backgroundIntensity = 0x80
 	backgroundMask      = (backgroundRed | backgroundBlue | backgroundGreen | backgroundIntensity)
+	commonLvbUnderscore = 0x8000
 
 	cENABLE_VIRTUAL_TERMINAL_PROCESSING = 0x4
 )
@@ -93,6 +95,7 @@ type Writer struct {
 	oldattr   word
 	oldpos    coord
 	rest      bytes.Buffer
+	mutex     sync.Mutex
 }
 
 // NewColorable returns new instance of Writer which handles escape sequence from File.
@@ -432,6 +435,8 @@ func atoiWithDefault(s string, def int) (int, error) {
 
 // Write writes data on console
 func (w *Writer) Write(data []byte) (n int, err error) {
+	w.mutex.Lock()
+	defer w.mutex.Unlock()
 	var csbi consoleScreenBufferInfo
 	procGetConsoleScreenBufferInfo.Call(uintptr(w.handle), uintptr(unsafe.Pointer(&csbi)))
 
@@ -683,14 +688,19 @@ loop:
 					switch {
 					case n == 0 || n == 100:
 						attr = w.oldattr
-					case 1 <= n && n <= 5:
+					case n == 4:
+						attr |= commonLvbUnderscore
+					case (1 <= n && n <= 3) || n == 5:
 						attr |= foregroundIntensity
-					case n == 7:
-						attr = ((attr & foregroundMask) << 4) | ((attr & backgroundMask) >> 4)
-					case n == 22 || n == 25:
-						attr |= foregroundIntensity
-					case n == 27:
-						attr = ((attr & foregroundMask) << 4) | ((attr & backgroundMask) >> 4)
+					case n == 7 || n == 27:
+						attr =
+							(attr &^ (foregroundMask | backgroundMask)) |
+								((attr & foregroundMask) << 4) |
+								((attr & backgroundMask) >> 4)
+					case n == 22:
+						attr &^= foregroundIntensity
+					case n == 24:
+						attr &^= commonLvbUnderscore
 					case 30 <= n && n <= 37:
 						attr &= backgroundMask
 						if (n-30)&1 != 0 {