sanebox: fix tab typo when parsing the link cache

pkgs/additional/sanebox/sanebox

@@ -797,8 +797,9 @@ loadLinkCache() {
   # readarray -t: reads some file into an array; each line becomes one element
   readarray -t _linkCacheArray < /etc/sanebox/symlink-cache
   for link in "${_linkCacheArray[@]}"; do
-    local from="${link%%\t*}"
-    local to="${link##*\t}"
+    # XXX: bash doesn't give a good way to escape the tab character, but that's what we're splitting on here.
+    local from="${link%%	*}"
+    local to="${link##*	}"
     linkCache["$from"]="$to"
   done
 }