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: Su Hang <[email protected]>
Reviewed-by: Thomas Huth <[email protected]>
Message-id: [email protected]
Signed-off-by: Stefan Hajnoczi <[email protected]>