Accept an empty string array for deleting an option.

(instead of just accepting NULL)

1 files changed, 1 insertions, 1 deletions

diff --git a/src/cups.c b/src/cups.c
index e3bf390..f72810c 100644
--- a/src/cups.c
+++ b/src/cups.c
@@ -973,7 +973,7 @@ cph_cups_printer_class_set_option_default (CphCups     *cups,
         option_name = g_strdup_printf ("%s-default", option);
 
         /* delete default value for option */
-        if (!values) {
+        if (len == 0) {
                 retval = _cph_cups_send_new_printer_class_request (
                                                         cups,
                                                         printer_name,