Add OPOST back to !cgo build for pkg/term

Signed-off-by: Michael Crosby <crosbymichael@gmail.com>

pkg/term/termios_linux.go

@@ -35,7 +35,7 @@ func MakeRaw(fd uintptr) (*State, error) {
 	newState := oldState.termios
 
 	newState.Iflag &^= (syscall.IGNBRK | syscall.BRKINT | syscall.PARMRK | syscall.ISTRIP | syscall.INLCR | syscall.IGNCR | syscall.ICRNL | syscall.IXON)
-	newState.Oflag &^= syscall.OPOST
+	newState.Oflag |= syscall.OPOST
 	newState.Lflag &^= (syscall.ECHO | syscall.ECHONL | syscall.ICANON | syscall.ISIG | syscall.IEXTEN)
 	newState.Cflag &^= (syscall.CSIZE | syscall.PARENB)
 	newState.Cflag |= syscall.CS8