all: replace nm_unauto() by g_steal_pointer()

They do essentially the same.

(cherry picked from commit ba90c9601c)

libnm-core/nm-setting.c

@@ -945,7 +945,7 @@ _nm_setting_new_from_dbus (GType setting_type,
 		}
 	}
 
-	return nm_unauto (&setting);
+	return g_steal_pointer (&setting);
 }
 
 /**

libnm-core/nm-vpn-editor-plugin.c

@@ -206,7 +206,7 @@ _nm_vpn_editor_plugin_load (const char *plugin_name,
 		return NULL;
 	}
 
-	return nm_unauto (&editor_plugin);
+	return g_steal_pointer (&editor_plugin);
 }
 
 /**

shared/nm-macros-internal.h

@@ -326,18 +326,6 @@ _notify (obj_type *obj, _PropertyEnums prop) \
 
 /*****************************************************************************/
 
-#define nm_unauto(pp)                                               \
-    ({                                                              \
-        G_STATIC_ASSERT (sizeof *(pp) == sizeof (gpointer));        \
-        gpointer *_pp = (gpointer *) (pp);                          \
-        gpointer _p = *_pp;                                         \
-                                                                    \
-        *_pp = NULL;                                                \
-        _p;                                                         \
-    })
-
-/*****************************************************************************/
-
 static inline gpointer
 nm_g_object_ref (gpointer obj)
 {

src/devices/nm-lldp-listener.c

@@ -531,7 +531,7 @@ lldp_neighbor_new (sd_lldp_neighbor *neighbor_sd, GError **error)
 	neigh->valid = TRUE;
 
 out:
-	return nm_unauto (&neigh);
+	return g_steal_pointer (&neigh);
 }
 
 static GVariant *
@@ -694,7 +694,7 @@ process_lldp_neighbor (NMLldpListener *self, sd_lldp_neighbor *neighbor_sd, gboo
 	        LOG_NEIGH_ARG (neigh));
 
 	changed = TRUE;
-	g_hash_table_add (priv->lldp_neighbors, nm_unauto (&neigh));
+	g_hash_table_add (priv->lldp_neighbors, g_steal_pointer (&neigh));
 
 done:
 	if (changed)

src/dns-manager/nm-dns-plugin.c

@@ -224,7 +224,7 @@ nm_dns_plugin_child_spawn (NMDnsPlugin *self,
 	_LOGD ("%s started with pid %d", progname, pid);
 	priv->watch_id = g_child_watch_add (pid, (GChildWatchFunc) watch_cb, self);
 	priv->pid = pid;
-	priv->progname = nm_unauto (&progname);
+	priv->progname = g_steal_pointer (&progname);
 	priv->pidfile = g_strdup (pidfile);
 
 	return pid;

src/nm-core-utils.c

@@ -2612,7 +2612,7 @@ nm_utils_machine_id_read (void)
 	if (contents[i] != '\0')
 		return FALSE;
 
-	return nm_unauto (&contents);
+	return g_steal_pointer (&contents);
 }
 
 /*****************************************************************************/