Use icons relative path.

Icon paths are defined in one place only - application's embedded resources.

Signed-off-by: Martin Měřinský <mermar@centrum.cz>

desktop-widgets/tab-widgets/maintab.ui

@@ -226,7 +226,7 @@
                  </property>
                  <property name="icon">
                   <iconset resource="../../subsurface.qrc">
-                   <normaloff>:/geocode</normaloff>:/geocode</iconset>
+                   <normaloff>:geocode</normaloff>:geocode</iconset>
                  </property>
                 </widget>
                </item>