Make recent addition conform to POSIX

diff --git a/defaults/initrd.scripts b/defaults/initrd.scripts
index fd9ac27350afa9a6eb1c5902637ec35d21192046..f05a746cf70fc1af08a64a20a7777dee11e5ba3d 100755 (executable)
--- a/defaults/initrd.scripts
+++ b/defaults/initrd.scripts
@@ -756,7 +756,7 @@ openLUKS() {
        case $1 in
                root)
                        local TYPE=ROOT
-                       [ -n "${REAL_ROOT}" ] && local LUKS_NAME="$(echo "$REAL_ROOT" | sed -e 's/.*\///')"
+                       [ -n "${REAL_ROOT}" ] && local LUKS_NAME="`echo "${REAL_ROOT}" | sed -e 's|.*/||'`"
                        ;;
                swap)
                        local TYPE=SWAP