link more binaries though they are currently only used for testing.

stack/erp5/buildout.cfg

@@ -303,6 +303,7 @@ md5sum = 32de16140a294a7e456a9665124bdb93
 filename = instance-zope.cfg.in
 md5sum = 21116639ac07dd3473f99522ea042334
 link-binary =
+  ${aspell:location}/bin/aspell
   ${coreutils:location}/bin/basename
   ${coreutils:location}/bin/cat
   ${coreutils:location}/bin/cp
@@ -315,6 +316,8 @@ link-binary =
   ${grep:location}/bin/grep
   ${imagemagick:location}/bin/convert
   ${imagemagick:location}/bin/identify
+  ${jsl:location}/bin/jsl
+  ${librsvg:location}/bin/rsvg-convert
   ${mariadb:location}/bin/mysql
   ${mariadb:location}/bin/mysqldump
   ${openssl:location}/bin/openssl