apply some fixes to qtgui's resizing, enabling it on Windows and not trying to initialise SDL multiple times
apply some fixes to qtgui's resizing, enabling it on Windows and not trying to initialise SDL multiple times

bdonlan/openc2e,crystalline/openc2e,crystalline/openc2e,crystalline/openc2e,bdonlan/openc2e,bdonlan/openc2e,ccdevnet/openc2e,crystalline/openc2e,bdonlan/openc2e,ccdevnet/openc2e,ccdevnet/openc2e,ccdevnet/openc2e,ccdevnet/openc2e,ccdevnet/openc2e,crystalline/openc2e