libpq: fix freeing of Postgres.Notify

Fixes bug 678910.

diff --git a/vapi/libpq.vapi b/vapi/libpq.vapi
index e47ca07587904899388eb581fb30d87de818fd38..0e4be3e9b18b64b2230e9649908b170fad7084e4 100644 (file)
--- a/vapi/libpq.vapi
+++ b/vapi/libpq.vapi
@@ -89,11 +89,14 @@ namespace Postgres {
                SOURCE_FUNCTION
        }
 
-       [CCode (cname = "PGnotify")]
-       public struct Notify {
+       [Compact]
+       [CCode (cname = "PGnotify", free_function = "PQfreemem")]
+       public class Notify {
                public string relname;
                public int    be_pid;
                public string extra;
+
+               private Notify ();
        }
 
        [CCode (cname = "PQnoticeReceiver")]