...which isn't even needed, as apr only uses APR_HAS_OS_UUID for apr_os_uuid_get
(apr_portable.h), which is neither used internally in apr nor by either of the
two clients of apr in LO, external/serf and ucb/source/ucp/webdav

Change-Id: I2e9d1f2640df0a8125ae2840f54488e77656c3ec
(cherry picked from commit aeafca13)
Signed-off-by: Michael Stahl <mstahl@redhat.com>