[Preferences] Fix ManagedConfigurationBlock

Follow-up-to: 4239b67119bce4c5e2c603ce963fed0bd37f3066
diff --git a/ecommons/org.eclipse.statet.ecommons.uimisc/src/org/eclipse/statet/ecommons/preferences/ui/ManagedConfigurationBlock.java b/ecommons/org.eclipse.statet.ecommons.uimisc/src/org/eclipse/statet/ecommons/preferences/ui/ManagedConfigurationBlock.java
index 27e989e..3b523b9 100644
--- a/ecommons/org.eclipse.statet.ecommons.uimisc/src/org/eclipse/statet/ecommons/preferences/ui/ManagedConfigurationBlock.java
+++ b/ecommons/org.eclipse.statet.ecommons.uimisc/src/org/eclipse/statet/ecommons/preferences/ui/ManagedConfigurationBlock.java
@@ -548,7 +548,7 @@
 	
 	@Override
 	public <T> void setPreferenceValue(final Preference<T> key, final T value) {
-		setPreferenceValue(key, value);
+		setPrefValue(key, value);
 	}
 	
 	@Override