[gnome-calendar] multi-choice: Fix the indentation

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

commit 051212f44b91e21b28341af8fdcaddb006f8e737
Author: Adrien Plazas <kekun plazas laposte net>
Date:   Fri Apr 15 14:35:29 2022 +0200

    multi-choice: Fix the indentation
    
    It was left purposefully broken in the previous commit.

 src/gui/event-editor/gcal-multi-choice.ui | 42 +++++++++++++++----------------
 1 file changed, 21 insertions(+), 21 deletions(-)
---
diff --git a/src/gui/event-editor/gcal-multi-choice.ui b/src/gui/event-editor/gcal-multi-choice.ui
index 5d11136f..1ceab30e 100644
--- a/src/gui/event-editor/gcal-multi-choice.ui
+++ b/src/gui/event-editor/gcal-multi-choice.ui
@@ -25,31 +25,31 @@
           <relation name="labelled-by">GcalMultiChoice</relation>
           <relation name="described-by">GcalMultiChoice</relation>
         </accessibility>
-    <child>
-      <object class="GtkStack" id="stack">
-        <property name="hexpand">True</property>
-        <property name="vexpand">True</property>
-
         <child>
-          <object class="GtkStackPage">
-            <property name="name">label1</property>
-            <property name="child">
-              <object class="GtkLabel" id="label1" />
-            </property>
-          </object>
-        </child>
+          <object class="GtkStack" id="stack">
+            <property name="hexpand">True</property>
+            <property name="vexpand">True</property>
+
+            <child>
+              <object class="GtkStackPage">
+                <property name="name">label1</property>
+                <property name="child">
+                  <object class="GtkLabel" id="label1" />
+                </property>
+              </object>
+            </child>
+
+            <child>
+              <object class="GtkStackPage">
+                <property name="name">label2</property>
+                <property name="child">
+                  <object class="GtkLabel" id="label2" />
+                </property>
+              </object>
+            </child>
 
-        <child>
-          <object class="GtkStackPage">
-            <property name="name">label2</property>
-            <property name="child">
-              <object class="GtkLabel" id="label2" />
-            </property>
           </object>
         </child>
-
-      </object>
-    </child>
       </object>
     </child>
     <child>