Use PERSISTENCE_PATH with a trailing "/".

When using PERSISTENCE_PATH we should prepend and append a pathname
separator as this is done with other user provided paths as well, e.g.
LIVE_MEDIA_PATH.

diff --git a/components/9990-misc-helpers.sh b/components/9990-misc-helpers.sh
index d85a1d1..570a12a 100755 (executable)
--- a/components/9990-misc-helpers.sh
+++ b/components/9990-misc-helpers.sh
@@ -875,7 +875,7 @@ probe_for_file_name ()
 
        for label in ${overlays}
        do
-               path=${backing}/${PERSISTENCE_PATH}${label}
+               path=${backing}/${PERSISTENCE_PATH}/${label}
                if [ -f "${path}" ]
                then
                        local loopdev