[gnome-control-center] network: Remove an unnecessary goto

[Georges Basile Stavracas Neto <gbsneto src gnome org>]

commit bf8b8f52b71f3822c252ec934832b93da16beff6
Author: Robert Ancell <robert ancell canonical com>
Date:   Tue Oct 1 14:52:13 2019 +1300

    network: Remove an unnecessary goto

 panels/network/panel-common.c | 11 ++++-------
 1 file changed, 4 insertions(+), 7 deletions(-)
---
diff --git a/panels/network/panel-common.c b/panels/network/panel-common.c
index e895c5006..034efe260 100644
--- a/panels/network/panel-common.c
+++ b/panels/network/panel-common.c
@@ -337,8 +337,6 @@ panel_set_device_widget_details (GtkLabel *heading,
 gchar *
 panel_get_ip4_address_as_string (NMIPConfig *ip4_config, const char *what)
 {
-        const gchar *str = NULL;
-
         /* we only care about one address */
         if (!strcmp (what, "address")) {
                 GPtrArray *array;
@@ -346,15 +344,14 @@ panel_get_ip4_address_as_string (NMIPConfig *ip4_config, const char *what)
 
                 array = nm_ip_config_get_addresses (ip4_config);
                 if (array->len < 1)
-                        goto out;
+                        return NULL;
                 address = array->pdata[0];
-                str = nm_ip_address_get_address (address);
+                return g_strdup (nm_ip_address_get_address (address));
         } else if (!strcmp (what, "gateway")) {
-                str = nm_ip_config_get_gateway (ip4_config);
+                return g_strdup (nm_ip_config_get_gateway (ip4_config));
         }
 
-out:
-        return g_strdup (str);
+        return NULL;
 }
 
 gchar *