cid#1503834: copy-paste

Change-Id: Ibc5cf10d4daf809e89693ac9d3fb82188ba1b311
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/132767
Tested-by: Jenkins
Reviewed-by: Julien Nabet <serval2412@yahoo.fr>

sc/source/ui/dialogs/SparklineDialog.cxx

@@ -253,7 +253,7 @@ void SparklineDialog::setupValues()
             break;
         case sc::AxisType::Custom:
             mxComboMaxAxisType->set_active(2);
-            if (maAttributes.getManualMin())
+            if (maAttributes.getManualMax())
                 mxSpinCustomMax->GetFormatter().SetValue(*maAttributes.getManualMax());
             break;
     }