Hack around busybox find / rm not handling -- correctly.

init.d/bootmisc

@@ -18,11 +18,16 @@ cleanup_tmp_dir()
 	cd "${dir}"
 	if yesno ${wipe_tmp:-${WIPE_TMP:-yes}}; then
 		ebegin "Wiping ${dir} directory"
-		local startopts="-x . -depth"
+		local startopts="-x . -depth" delete="-exec rm -rf -- {} ;"
-		[ "${RC_UNAME}" = "Linux" ] && startopts=". -xdev -depth"
+
+		if [ "${RC_UNAME}" = "Linux" ]; then
+			startopts=". -xdev -depth"
+			# busybox find / rm cannot handle --
+			delete="-delete"
+		fi
 
 		# Faster than find
-		rm -rf [b-ikm-pr-zA-Z]*
+		rm -rf -- [b-ikm-pr-zA-Z0-9\.]*
 
 		find ${startopts} ! -name . \
 			! -path ./lost+found \
@@ -37,12 +42,12 @@ cleanup_tmp_dir()
 			! -path "./aquota.group/*" \
 			! -path ./journal \
 			! -path "./journal/*" \
-			-exec rm -rf -- {} \; \
+			${delete} \
 			-type d -prune
 		eend 0
 	else
 		ebegin "Cleaning ${dir} directory"
-		rm -rf "${dir}"/.X*-lock "${dir}"/esrv* "${dir}"/kio* \
+		rm -rf -- "${dir}"/.X*-lock "${dir}"/esrv* "${dir}"/kio* \
 			"${dir}"/jpsock.* "${dir}"/.fam* "${dir}"/.esd* \
 			"${dir}"/orbit-* "${dir}"/ssh-* "${dir}"/ksocket-* \
 			"${dir}"/.*-unix