fix ui warning

Author: jef-n

src/ui/qgsoptionsbase.ui

@@ -982,7 +982,7 @@
                </widget>
               </item>
               <item row="3" column="0">
-               <layout class="QHBoxLayout" name="horizontalLayout_16">
+               <layout class="QHBoxLayout" name="horizontalLayout_26">
                 <item>
                  <widget class="QLabel" name="labelUpdateThreshold">
                   <property name="text">