diff -r c8599f5dac4c -r f4944cfaa1ff libpurple/protocols/irc/irc.c
--- a/libpurple/protocols/irc/irc.c	Wed Apr 30 21:09:59 2008 +0000
+++ b/libpurple/protocols/irc/irc.c	Mon May 05 06:19:46 2008 +0000
@@ -905,7 +905,7 @@
 	NULL,
 	NULL,
 	NULL,
-	NULL
+	sizeof(PurplePluginProtocolInfo),       /* struct_size */
 };
 
 static gboolean load_plugin (PurplePlugin *plugin) {