process[windows]: take common function to get Win32_Processes.
process[windows]: take common function to get Win32_Processes.

xiaoyanit/gopsutil,neezgee/gopsutil,lonemage/gopsutil,oliveagle/gopsutil,andyjones/gopsutil,lonemage/gopsutil,influxdb/gopsutil,xiaoyanit/gopsutil,influxdb/gopsutil,oliveagle/gopsutil,desp0916/gopsutil,choplin/gopsutil,choplin/gopsutil,andyjones/gopsutil,neezgee/gopsutil,desp0916/gopsutil