add windows stub.

cpu_windows.go

+// +build windows
+
+package main
+
+import (
+	"fmt"
+)
+
+func (c CPU) Cpu_times() ([]CPU_Times, error) {
+	ret := make([]CPU_Times, 0)
+
+	fmt.Println("Windows")
+	return ret, nil
+}

disk_windows.go

+// +build windows
+
+package main
+
+func (d Disk) Disk_usage(path string) (Disk_usage, error) {
+
+	ret := Disk_usage{}
+
+	return ret, nil
+}

host_unix.go

+// +build linux freebsd
+
+package main
+
+import (
+	"os"
+	"syscall"
+)
+
+func (h Host) HostInfo() (HostInfo, error) {
+	ret := HostInfo{}
+	hostname, err := os.Hostname()
+	ret.Hostname = hostname
+	ret.Uptime = sysinfo.Uptime
+
+	return ret, nil
+}

host_windows.go

+// +build windows
+
+package main
+
+import (
+	"os"
+)
+
+func (h Host) HostInfo() (HostInfo, error) {
+	ret := HostInfo{}
+	hostname, err := os.Hostname()
+	if err != nil {
+		return ret, err
+	}
+
+	ret.Hostname = hostname
+
+	return ret, nil
+}

load_windows.go

+// +build windows
+
+package main
+
+func (l Load) LoadAvg() (LoadAvg, error) {
+	ret := LoadAvg{}
+
+	return ret, nil
+}

mem_windows.go

+// +build windows
+
+package main
+
+func (m Mem) Virtual_memory() (Virtual_memory, error) {
+	ret := Virtual_memory{}
+
+	return ret, nil
+}
+
+func (m Mem) Swap_memory() (Swap_memory, error) {
+	ret := Swap_memory{}
+
+	return ret, nil
+}