patch 7.4.1120
Problem:    delete(x, 'rf') fails if a directory is empty. (Lcd)
Solution:   Ignore not finding matches in an empty directory.
diff --git a/src/fileio.c b/src/fileio.c
index fdaad20..55337d6 100644
--- a/src/fileio.c
+++ b/src/fileio.c
@@ -7313,7 +7313,7 @@
 	if (exp == NULL)
 	    return -1;
 	if (gen_expand_wildcards(1, &exp, &file_count, &files,
-			 EW_DIR|EW_FILE|EW_SILENT|EW_ALLLINKS|EW_DODOT) == OK)
+	      EW_DIR|EW_FILE|EW_SILENT|EW_ALLLINKS|EW_DODOT|EW_EMPTYOK) == OK)
 	{
 	    for (i = 0; i < file_count; ++i)
 		if (delete_recursive(files[i]) != 0)