Function isPublicAccessEnabled was missing

UI/Contacts/UIxContactFolderProperties.m

@@ -18,6 +18,8 @@
  * Boston, MA 02111-1307, USA.
  */
 
+#import <SOGo/SOGoSystemDefaults.h>
+
 #import "UIxContactFolderProperties.h"
 
 @implementation UIxContactFolderProperties
@@ -90,4 +92,11 @@
   return [NSString stringWithFormat: @"%@/", [self _basePublicCardDAVURL]];
 }
 
+- (BOOL) isPublicAccessEnabled
+{
+  // NOTE: This method is the same found in Common/UIxAclEditor.m
+  return [[SOGoSystemDefaults sharedSystemDefaults]
+          enablePublicAccess];
+}
+
 @end