remove GTEST_HAS_STD_STRING
remove GTEST_HAS_STD_STRING

empiredan/googletest,empiredan/googletest,google/googletest,antidotcb/googletest,google/googletest,google/googletest,antidotcb/googletest,gianricardo/googletest,antidotcb/googletest,gianricardo/googletest,gianricardo/googletest,empiredan/googletest,antidotcb/googletest,google/googletest