merging gtest-port.h, again - 1
merging gtest-port.h, again - 1

gianricardo/googletest,xnagireddy/googletest,gianricardo/googletest,jlanecox/googletest,empiredan/googletest,google/googletest,jlanecox/googletest,jlanecox/googletest,xnagireddy/googletest,jlanecox/googletest,xnagireddy/googletest,google/googletest,antidotcb/googletest,antidotcb/googletest,google/googletest,xnagireddy/googletest,antidotcb/googletest,empiredan/googletest,gianricardo/googletest,google/googletest,empiredan/googletest,antidotcb/googletest