client: kernelexpand -- handle no mirrors being defined

If neither of the mirror specifiers are defined we will incorrectly
attempt to concatenate a string with None, resulting in an exception.  We
should simply leave the mirrors list undefined.

Signed-off-by: Andy Whitcroft <apw@shadowen.org>


git-svn-id: http://test.kernel.org/svn/autotest/trunk@1371 592f7852-d20e-0410-864c-8624ca9c26a4
1 file changed