reproducible Debian: fix cleanup sudo usage

Signed-off-by: Holger Levsen <holger@layer-acht.org>

bin/reproducible_debstrap.sh

@@ -17,12 +17,14 @@ cleanup() {
 	local RESULT=$1
 	output_echo "Cleanup ${RESULT}"
 	# Cleanup the workspace and results directory
-	for CLEANUP in ${BUILDDIR} ${RESULTSDIR} ; do
-		if [ ! -z "$CLEANUP" ]; then
-			output_echo "Removing ${CLEANUP}"
-			sudo rm -rf --one-file-system ${CLEANUP}
+	if [ ! -z "$BUILDDIR" ]; then
+		output_echo "Removing ${BUILDDIR}"
+		sudo rm -rf --one-file-system ${BUILDDIR}
+	fi
+	if [ ! -z "$RESULTSDIR" ]; then
+		output_echo "Removing ${RESULTSDIR}"
+		rm -rf --one-file-system ${RESULTSDIR}
 	fi
-	done
 }