make dlerror threadsafe on windows
make dlerror threadsafe on windows

Change-Id: I023dbc2a5023cbab10447fd1c71d39438c8c8502
Reviewed-on: http://gerrit.aldebaran.lan/19497
Reviewed-by: proullon <ffff9135679d397f48dd743107119b1f6fc32d3d@aldebaran-robotics.com>
Tested-by: gerrit
Reviewed-by: llec <42f1a1c02cacc0f5b0188f0127ea77bedfdcf21a@aldebaran-robotics.com>

aldebaran/libqi,aldebaran/libqi,aldebaran/libqi,vbarbaresi/libqi,bsautron/libqi