[gnome-control-center] network: Fix memory leaks using g_find_program_in_path

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

commit 4c6208dc66134adf12b8af022ae7134b376ace30
Author: Robert Ancell <robert ancell canonical com>
Date:   Mon Dec 16 15:09:24 2019 +1300

    network: Fix memory leaks using g_find_program_in_path
    
    Added in d61d13d

 panels/network/net-device-bluetooth.c | 10 ++++++++--
 panels/network/net-device-mobile.c    |  5 ++++-
 2 files changed, 12 insertions(+), 3 deletions(-)
---
diff --git a/panels/network/net-device-bluetooth.c b/panels/network/net-device-bluetooth.c
index 6a0fa11d9..74dfb0e9a 100644
--- a/panels/network/net-device-bluetooth.c
+++ b/panels/network/net-device-bluetooth.c
@@ -80,6 +80,7 @@ static void
 nm_device_bluetooth_refresh_ui (NetDeviceBluetooth *self)
 {
         NMDeviceState state;
+        g_autofree gchar *path = NULL;
 
         /* set up the device on/off switch */
         state = nm_device_get_state (self->device);
@@ -89,7 +90,8 @@ nm_device_bluetooth_refresh_ui (NetDeviceBluetooth *self)
         update_off_switch_from_device_state (self->device_off_switch, state, self);
 
         /* set up the Options button */
-        gtk_widget_set_visible (GTK_WIDGET (self->options_button), state != NM_DEVICE_STATE_UNMANAGED && 
g_find_program_in_path ("nm-connection-editor") != NULL);
+        path = g_find_program_in_path ("nm-connection-editor");
+        gtk_widget_set_visible (GTK_WIDGET (self->options_button), state != NM_DEVICE_STATE_UNMANAGED && 
path != NULL);
 }
 
 static void
@@ -179,8 +181,12 @@ net_device_bluetooth_class_init (NetDeviceBluetoothClass *klass)
 static void
 net_device_bluetooth_init (NetDeviceBluetooth *self)
 {
+        g_autofree gchar *path = NULL;
+
         gtk_widget_init_template (GTK_WIDGET (self));
-        gtk_widget_set_visible (GTK_WIDGET (self->options_button), g_find_program_in_path 
("nm-connection-editor") != NULL);
+
+        path = g_find_program_in_path ("nm-connection-editor");
+        gtk_widget_set_visible (GTK_WIDGET (self->options_button), path != NULL);
 }
 
 NetDeviceBluetooth *
diff --git a/panels/network/net-device-mobile.c b/panels/network/net-device-mobile.c
index 1bc1fb8dc..1d9eba2f1 100644
--- a/panels/network/net-device-mobile.c
+++ b/panels/network/net-device-mobile.c
@@ -770,11 +770,14 @@ net_device_mobile_class_init (NetDeviceMobileClass *klass)
 static void
 net_device_mobile_init (NetDeviceMobile *self)
 {
+        g_autofree gchar *path = NULL;
+
         gtk_widget_init_template (GTK_WIDGET (self));
 
         self->cancellable = g_cancellable_new ();
 
-        gtk_widget_set_visible (GTK_WIDGET (self->options_button), g_find_program_in_path 
("nm-connection-editor") != NULL);
+        path = g_find_program_in_path ("nm-connection-editor");
+        gtk_widget_set_visible (GTK_WIDGET (self->options_button), path != NULL);
 }
 
 NetDeviceMobile *