Fix build error

Author: NathanW2

src/ui/qgsdatumtransformdialogbase.ui

@@ -14,21 +14,7 @@
    <string>Select datum transformations</string>
   </property>
   <layout class="QGridLayout" name="gridLayout">
-   <item row="2" column="0">
-    <widget class="QCheckBox" name="mRememberSelectionCheckBox">
-     <property name="text">
-      <string>Remember selection</string>
-     </property>
-    </widget>
-   </item>
-   <item row="2" column="1" alignment="Qt::AlignRight">
-    <widget class="QCheckBox" name="mHideDeprecatedCheckBox">
-     <property name="text">
-      <string>Hide deprecated</string>
-     </property>
-    </widget>
-   </item>
-   <item row="0" column="0" colspan="2">
+   <item row="0" column="0">
     <widget class="QTreeWidget" name="mDatumTransformTreeWidget">
      <column>
       <property name="text">
@@ -47,7 +33,38 @@
      </column>
     </widget>
    </item>
-   <item row="4" column="0" colspan="2">
+   <item row="1" column="0">
+    <layout class="QHBoxLayout" name="horizontalLayout">
+     <item>
+      <widget class="QCheckBox" name="mRememberSelectionCheckBox">
+       <property name="text">
+        <string>Remember selection</string>
+       </property>
+      </widget>
+     </item>
+     <item>
+      <spacer name="horizontalSpacer">
+       <property name="orientation">
+        <enum>Qt::Horizontal</enum>
+       </property>
+       <property name="sizeHint" stdset="0">
+        <size>
+         <width>40</width>
+         <height>20</height>
+        </size>
+       </property>
+      </spacer>
+     </item>
+     <item>
+      <widget class="QCheckBox" name="mHideDeprecatedCheckBox">
+       <property name="text">
+        <string>Hide deprecated</string>
+       </property>
+      </widget>
+     </item>
+    </layout>
+   </item>
+   <item row="2" column="0">
     <widget class="QDialogButtonBox" name="buttonBox">
      <property name="orientation">
       <enum>Qt::Horizontal</enum>