update svggradientprimitive2d file, SvgGradientHelper::createMirroredGradientEntries() function Change-Id: I9adbab45594271ee7474f6d5a7bf7b044de88bc0 Reviewed-on: https://gerrit.libreoffice.org/c/core/+/204792 Reviewed-by: Michael Weghorn <m.weghorn@posteo.de> Tested-by: Jenkins