Update gitlab_git to ignore invalid lines in .gitmodules.
Pulls in gitlab_git 7.1.9 which contains gitlab_git!24 (merged)
Closes #1412 (closed), https://github.com/gitlabhq/gitlabhq/issues/8135 and https://github.com/gitlabhq/gitlabhq/issues/8881
Pulls in gitlab_git 7.1.9 which contains gitlab_git!24 (merged)
Closes #1412 (closed), https://github.com/gitlabhq/gitlabhq/issues/8135 and https://github.com/gitlabhq/gitlabhq/issues/8881