fix how to get SAML error details
fix how to get SAML error details

dplarson/gitlabhq,axilleas/gitlabhq,axilleas/gitlabhq,mmkassem/gitlabhq,axilleas/gitlabhq,mmkassem/gitlabhq,iiet/iiet-git,openwide-java/gitlabhq,darkrasid/gitlabhq,openwide-java/gitlabhq,iiet/iiet-git,jirutka/gitlabhq,htve/GitlabForChinese,stoplightio/gitlabhq,dplarson/gitlabhq,jirutka/gitlabhq,dreampet/gitlab,t-zuehlsdorff/gitlabhq,axilleas/gitlabhq,stoplightio/gitlabhq,daiyu/gitlab-zh,stoplightio/gitlabhq,jirutka/gitlabhq,openwide-java/gitlabhq,dreampet/gitlab,stoplightio/gitlabhq,t-zuehlsdorff/gitlabhq,daiyu/gitlab-zh,dplarson/gitlabhq,dplarson/gitlabhq,LUMC/gitlabhq,t-zuehlsdorff/gitlabhq,iiet/iiet-git,openwide-java/gitlabhq,darkrasid/gitlabhq,LUMC/gitlabhq,LUMC/gitlabhq,LUMC/gitlabhq,dreampet/gitlab,darkrasid/gitlabhq,htve/GitlabForChinese,htve/GitlabForChinese,t-zuehlsdorff/gitlabhq,jirutka/gitlabhq,dreampet/gitlab,daiyu/gitlab-zh,iiet/iiet-git,mmkassem/gitlabhq,mmkassem/gitlabhq,daiyu/gitlab-zh,htve/GitlabForChinese,darkrasid/gitlabhq