fix the size of the button added in r12378

git-svn-id: http://svn.osgeo.org/qgis/trunk@12379 c8812cc2-4d05-0410-92ff-de0c093fc19c

Author: borysiasty

src/ui/qgsattributetabledialog.ui

@@ -230,6 +230,12 @@
         <iconset>
          <normaloff>../../images/themes/default/mActionDeleteSelected.png</normaloff>../../images/themes/default/mActionDeleteSelected.png</iconset>
        </property>
+       <property name="iconSize">
+        <size>
+         <width>18</width>
+         <height>18</height>
+        </size>
+       </property>
       </widget>
      </item>
      <item>