Fix a user visible regression after fractional point size changes: don't create 0-sized fonts from the wxNativeFontInfo version 0 strings. See https://github.com/wxWidgets/wxWidgets/pull/1422
Fix a user visible regression after fractional point size changes: don't create 0-sized fonts from the wxNativeFontInfo version 0 strings. See https://github.com/wxWidgets/wxWidgets/pull/1422