Updated charity link

src/dialogs/about/aboutdialog.ui

@@ -232,7 +232,7 @@ p, li { white-space: pre-wrap; }
 <p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;"><span style=" font-family:'MS Shell Dlg 2'; font-size:12pt; font-weight:600;">Thank You</span></p>
 <p align="center" style="-qt-paragraph-type:empty; margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; font-family:'MS Shell Dlg 2'; font-size:12pt; font-weight:600;"><br /></p>
 <p align="center" style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;"><span style=" font-family:'MS Shell Dlg 2'; font-size:12pt;">Thanks for using Pano Manager.  I don't charge anything for the program, but if you find it useful, please consider making a donation to Guide Dogs for the Blind via this link: </span></p>
-&lt;p align=&quot;center&quot; style=&quot; margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;&quot;&gt;&lt;a href=&quot;http://www.trumpton.uk/panomanager/guidedogs&quot;&gt;&lt;span style=&quot; font-size:12pt; font-weight:600; font-style:italic; text-decoration: underline; color:#ffffff;&quot;&gt;http://www.trumpton.uk/panomanager/guidedogs&lt;/span&gt;&lt;/a&gt;&lt;/p&gt;&lt;/body&gt;&lt;/html&gt;</string>
+&lt;p align=&quot;center&quot; style=&quot; margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;&quot;&gt;&lt;a href=&quot;http://www.vizier.uk/guidedogs&quot;&gt;&lt;span style=&quot; font-size:12pt; font-weight:600; font-style:italic; text-decoration: underline; color:#ffffff;&quot;&gt;http://www.vizier.uk/guidedogs&lt;/span&gt;&lt;/a&gt;&lt;/p&gt;&lt;/body&gt;&lt;/html&gt;</string>
      </property>
      <property name="textInteractionFlags">
       <set>Qt::LinksAccessibleByKeyboard|Qt::LinksAccessibleByMouse|Qt::TextBrowserInteraction|Qt::TextSelectableByKeyboard|Qt::TextSelectableByMouse</set>