ignore errors on credential reading, e.g. if after an update the index contains no credentials
ignore errors on credential reading, e.g. if after an update the index contains no credentials

git-svn-id: 7f26e25b9b3e4c343427ebc7c3d22488fae9659d@193 ef9fb88f-4736-4558-9cff-406f806169d0

kalyptorisk/svnquery,kalyptorisk/svnquery,kalyptorisk/svnquery,kalyptorisk/svnquery,kalyptorisk/svnquery