tools/fnt2fon: Remove error() as it is almost unused. Transform errno into a meaningful string for the error message.

mshtml: Set selection to default on IHTMLSelectionObject::createRange if there is no range selected.

wrc: Modify the error, warning and tracing functions to behave like all the other Wine tracing methods, that is to not append a '\n' to the message.

wmc: Modify the error and warning functions to behave like all the other Wine tracing methods, that is to not append a '\n' to the message.

winegcc: Modify error() to behave like all the other Wine tracing methods, that is to not append a '\n' to the message.

widl: Modify generic_msg() to behave like all the other Wine tracing methods, that is to not append a '\n' to the message.