Resolves: fdo#86911 add tooltip for Color Tolerance spinbutton

Change-Id: I9a30d81124da4e4037834caaf41a8f78fd320290
diff --git a/svx/uiconfig/ui/floatingcontour.ui b/svx/uiconfig/ui/floatingcontour.ui
index 2edef22..78662a8 100644
--- a/svx/uiconfig/ui/floatingcontour.ui
+++ b/svx/uiconfig/ui/floatingcontour.ui
@@ -1,8 +1,8 @@
<?xml version="1.0" encoding="UTF-8"?>
<!-- Generated with glade 3.16.1 -->
<interface>
  <requires lib="gtk+" version="3.0"/>
  <!-- interface-requires LibreOffice 1.0 -->
  <requires lib="gtk+" version="3.0"/>
  <object class="GtkAdjustment" id="adjustment1">
    <property name="upper">99</property>
    <property name="value">10</property>
@@ -307,6 +307,7 @@
              <object class="GtkSpinButton" id="spinbutton:0%">
                <property name="visible">True</property>
                <property name="can_focus">True</property>
                <property name="tooltip_text" translatable="yes">Color Tolerance</property>
                <property name="adjustment">adjustment1</property>
              </object>
              <packing>