Add ypad for "User avatar:" label in vcard window

data/gui/vcard_information_window.ui

@@ -271,6 +271,7 @@
                           <object class="GtkLabel" id="user_avatar_label">
                             <property name="no_show_all">True</property>
                             <property name="xalign">0</property>
+                            <property name="ypad">5</property>
                             <property name="label" translatable="yes">User avatar:</property>
                           </object>
                           <packing>