util/uri.c: Coding style check, Only whitespace involved

Using `clang-format -i util/uri.c` first, then change back few code
manually, to make sure only whitespace involved.
Signed-off-by: NSu Hang <suhang16@mails.ucas.ac.cn>
Reviewed-by: NThomas Huth <thuth@redhat.com>
Message-id: 1519533358-13759-2-git-send-email-suhang16@mails.ucas.ac.cn
Signed-off-by: NStefan Hajnoczi <stefanha@redhat.com>