diff -u fribidi-0.19.7/bootstrap.orig fribidi-0.19.7/bootstrap
--- fribidi-0.19.7/bootstrap.orig	2012-08-27 15:30:17.000000000 -0400
+++ fribidi-0.19.7/bootstrap	2017-09-06 13:59:20.000000000 -0400
@@ -144,7 +144,7 @@
 fi # !AUTOCONF
 
 # move to build dir
-cd $OLDDIR
+cd "$OLDDIR"
 
 # configure
 if test -n "$CONFIG"; then