set form as protected to allow sub class access it

refs 301

org.fortiss.tooling.base.ui/trunk/src/org/fortiss/tooling/base/ui/editor/FormsEditorBase.java

@@ -42,7 +42,7 @@ public abstract class FormsEditorBase<T extends EObject> extends EditorBase<T> {
 	protected FormToolkit toolkit;
 
 	/** The main form. */
-	private ScrolledForm form;
+	protected ScrolledForm form;
 
 	/** Grid data factory used. */
 	protected final GridDataFactory gridDataFactory = GridDataFactory