[gnome-control-center] power: Fix device label alignment

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

commit 1b70273221bf34869fcb3d56446a38571861e44e
Author: Robert Ancell <robert ancell canonical com>
Date:   Wed Nov 21 12:11:20 2018 +1300

    power: Fix device label alignment
    
    Should be left-aligned, previously it was centered

 panels/power/cc-power-panel.c | 1 +
 1 file changed, 1 insertion(+)
---
diff --git a/panels/power/cc-power-panel.c b/panels/power/cc-power-panel.c
index 2bc846179..71801637c 100644
--- a/panels/power/cc-power-panel.c
+++ b/panels/power/cc-power-panel.c
@@ -686,6 +686,7 @@ add_device (CcPowerPanel *panel, UpDevice *device)
   gtk_container_add (GTK_CONTAINER (row), hbox);
   widget = gtk_label_new ("");
   gtk_widget_show (widget);
+  gtk_label_set_xalign (GTK_LABEL (widget), 0.0);
   gtk_widget_set_halign (widget, GTK_ALIGN_START);
   gtk_label_set_markup (GTK_LABEL (widget), description->str);
   gtk_widget_set_margin_start (widget, 20);