fix link

docs/modules/contributions/pages/gui/tonegodgui/indicator.adoc

@@ -140,4 +140,4 @@ screen.addElement(slider);
 
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-image:tonegodgui/indicatorexample.png[indicatorexample.png,width="",height=""]
+image:gui/tonegodgui/indicatorexample.png[indicatorexample.png,width="",height=""]