remove line feed from label text

Change-Id: Iebd0054605ace7dfd15ee106be6f594ea1e7e0c6

cui/uiconfig/ui/select_persona_dialog.ui

@@ -85,8 +85,7 @@
                 <property name="visible">True</property>
                 <property name="can_focus">False</property>
                 <property name="xalign">0</property>
-                <property name="label" translatable="yes">First visit Firefox Personas (http://www.getpersonas.com).
-Find Persona you like, and want to choose for LibreOffice.</property>
+                <property name="label" translatable="yes">First visit Firefox Personas (http://www.getpersonas.com). Find Persona you like, and want to choose for LibreOffice.</property>
                 <property name="wrap">True</property>
                 <property name="max_width_chars">54</property>
               </object>