git-svn: don't drop the username from URLs when dcommit is run
git-svn: don't drop the username from URLs when dcommit is run

We no longer store usernames in URLs stored in git-svn-id lines
for dcommit, so we shouldn't rely on those URLs when connecting
to the remote repository to commit.

destenson/git,destenson/git,destenson/git,destenson/git,destenson/git,destenson/git,destenson/git,destenson/git