Update advanced.md
Update advanced.md

Fixes #1755
gianricardo/googletest,xnagireddy/googletest,xnagireddy/googletest,jlanecox/googletest,antidotcb/googletest,empiredan/googletest,google/googletest,jlanecox/googletest,xnagireddy/googletest,google/googletest,gianricardo/googletest,xnagireddy/googletest,antidotcb/googletest,antidotcb/googletest,empiredan/googletest,antidotcb/googletest,gianricardo/googletest,google/googletest,google/googletest,jlanecox/googletest,jlanecox/googletest,empiredan/googletest