make urlabs a noop if base url is not provided
authorJoey Hess <joey@kitenet.net>
Wed, 5 Jan 2011 20:23:05 +0000 (16:23 -0400)
committerJoey Hess <joey@kitenet.net>
Wed, 5 Jan 2011 20:23:05 +0000 (16:23 -0400)
commit885bff723998525c10d7ea8ad295547f5fcc939a
tree459d99be5f042249b45e5f7eda33742da0db8c1d
parentc91b39fdb52c935fbca20ca55a256278f4661a5b
make urlabs a noop if base url is not provided

This allows urlabs($foo, $config{url}) to be used safely, even if
no url is configured.
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