[gnome-taquin] Remove a hack.

[Arnaud B. <arnaudb src gnome org>]

commit 1d8f650781a5283f1aee8ad176dab3f860abd9c7
Author: Arnaud Bonatti <arnaud bonatti gmail com>
Date:   Sat Feb 16 18:14:15 2019 +0100

    Remove a hack.

 data/game-headerbar.ui  | 13 ++++++++++---
 src/game-headerbar.vala |  2 --
 2 files changed, 10 insertions(+), 5 deletions(-)
---
diff --git a/data/game-headerbar.ui b/data/game-headerbar.ui
index d4cafac..6902eb3 100644
--- a/data/game-headerbar.ui
+++ b/data/game-headerbar.ui
@@ -64,12 +64,19 @@
         <property name="visible">True</property>
         <property name="halign">center</property>
         <property name="valign">center</property>
-        <!-- Translators: during a game, label of the New Game button (with a mnemonic that appears pressing 
Alt) -->
-        <property name="label" translatable="yes">_New Game</property>
-        <property name="use-underline">True</property>
         <property name="action-name">ui.new-game</property>
         <!-- Translators: during a game, tooltip text of the New Game button -->
         <property name="tooltip-text" translatable="yes">Start a new game</property>
+        <child>
+          <object class="GtkLabel">
+            <property name="visible">True</property>
+            <!-- Translators: during a game, label of the New Game button (with a mnemonic that appears 
pressing Alt) -->
+            <property name="label" translatable="yes">_New Game</property>
+            <property name="ellipsize">end</property> <!-- can happen on small screen with big moves count 
-->
+            <property name="mnemonic-widget">new_game_button</property>
+            <property name="use-underline">True</property>
+          </object>
+        </child>
       </object>
     </child>
   </template>
diff --git a/src/game-headerbar.vala b/src/game-headerbar.vala
index 81b47f0..c510ad9 100644
--- a/src/game-headerbar.vala
+++ b/src/game-headerbar.vala
@@ -36,8 +36,6 @@ private class GameHeaderBar : BaseHeaderBar
 
     construct
     {
-        ((Label) new_game_button.get_child ()).set_ellipsize (Pango.EllipsizeMode.END); // can happen on 
small screen with big moves count
-
         generate_moves_menu ();
 
         init_modes ();