[gnome-applets] multiload: fix -Wunused-variable warning

[Alberts Muktupāvels <muktupavels src gnome org>]

commit 65b72b4abacde7aab050bbfaa36ed6ff115f81ee
Author: Alberts Muktupāvels <alberts muktupavels gmail com>
Date:   Fri Apr 3 22:05:43 2020 +0300

    multiload: fix -Wunused-variable warning

 gnome-applets/multiload/properties.c | 2 --
 1 file changed, 2 deletions(-)
---
diff --git a/gnome-applets/multiload/properties.c b/gnome-applets/multiload/properties.c
index 2eea55a30..96cf23882 100644
--- a/gnome-applets/multiload/properties.c
+++ b/gnome-applets/multiload/properties.c
@@ -70,8 +70,6 @@ properties_set_insensitive(MultiloadApplet *ma)
 static void
 properties_close_cb (GtkWidget *widget, gint arg, MultiloadApplet *ma)
 {
-       GError *error = NULL;
-
        switch (arg)
        {
                case GTK_RESPONSE_HELP: