[epiphany/wip/exalm/switch] Fix switch in search engine dialog

[Alexander Mikhaylenko <alexm src gnome org>]

commit c2e907f3193652ea232da1e086db816fd3f693a1
Author: Alexander Mikhaylenko <exalm7659 gmail com>
Date:   Mon Jan 28 17:23:13 2019 +0500

    Fix switch in search engine dialog

 src/resources/gtk/search-engine-dialog.ui | 1 +
 1 file changed, 1 insertion(+)
---
diff --git a/src/resources/gtk/search-engine-dialog.ui b/src/resources/gtk/search-engine-dialog.ui
index 2e7d6308b..b1969730a 100644
--- a/src/resources/gtk/search-engine-dialog.ui
+++ b/src/resources/gtk/search-engine-dialog.ui
@@ -223,6 +223,7 @@
                         <property name="visible">True</property>
                         <property name="can_focus">True</property>
                        <property name="halign">start</property>
+                       <property name="valign">center</property>
                         <signal name="notify::active" 
handler="on_default_search_engine_switch_state_modified"/>
                       </object>
                       <packing>