File appcenter-0.2.9-vala-0.4.patch of Package elementary-appcenter

diff -ruN appcenter-0.2.9.orig/appcenter-0.2.9/src/Core/Client.vala appcenter-0.2.9/appcenter-0.2.9/src/Core/Client.vala
--- appcenter-0.2.9.orig/appcenter-0.2.9/src/Core/Client.vala	2018-03-02 15:24:42.000000000 +0300
+++ appcenter-0.2.9/appcenter-0.2.9/src/Core/Client.vala	2018-03-25 11:33:47.689248023 +0300
@@ -223,7 +223,11 @@
         }
 
         if (exit_status != Pk.Exit.SUCCESS) {
-            throw new GLib.IOError.FAILED (Pk.Exit.enum_to_string (exit_status));
+#if VALA_0_40
+            throw new GLib.IOError.FAILED (exit_status.enum_to_string());
+#else
+            throw new GLib.IOError.FAILED (Pk.Exit.enum_to_string (exit_status));
+#endif
         } else {
             package.change_information.clear_update_info ();
         }