[win32] setlocale broke win32com and wmi

when locale.setlocale(locale.LC_ALL, "") call is done at the beginning of the application, the wmi request (made in wmd_resource) fails on encoding issues:

WARN MainThread pigment_frontend ago 05 20:12:13 exception calling decorator <function hardware_decorator at 0x03CB8370>:
failure <type 'exceptions.UnicodeDecodeError'> at C:\OABuild\Distribuable-dependencies\deps\Release\lib\site-packages\win32com\client\build.py:542: <lambda>():
'utf8' codec can't decode byte 0x83 in position 52: unexpected code byte (elisa\plugins\pigment\pigment_frontend.py:199

due to this, the USB management is broken:

Step to reproduce :
1. Launch Elisa
2. go in Music

Expected result:
3. The USB devices are displayed

Unexpected results:
3. The traceback is raised
4. The USB devices are not displayed