fix bug in logic for empty directories

handlers/rdiff.in

@@ -403,7 +403,7 @@ for i in $include; do
 	# Escape spaces (backslashes should not have been in first place...)
 	str="${i// /\\\ }"
 	# Set not empty if any have files or directories
-	ls "${str}/*" > 2&>1 /dev/null ; [ $? -eq 0  ] || areincludesempty=false
+	ls "${str}/*" > 2&>1 /dev/null ; [ $? -eq 0  ] && areincludesempty=false
    execstr="${execstr}--include '$str' "
 done
 # Don't backup a source that includes no files or folders