--- a/ui/certificate.h	Wed Apr 02 10:30:49 2014 +0200
+++ b/ui/certificate.h	Wed Apr 02 10:31:08 2014 +0200
@@ -19,6 +19,13 @@
 {
 public:
 
+    enum Status {
+        InstallNew = 1,
+        InstallOld,
+        RemoveNew,
+        RemoveOld
+    };
+
     /** @brief construct a certificate from a line of a certificate list.
      *
      * The first two characters of the string are expected to be