diff -r 431166bcb802 -r 8960ce807044 libpurple/protocols/silc/silc.c
--- a/libpurple/protocols/silc/silc.c	Wed Aug 28 15:07:38 2013 +0530
+++ b/libpurple/protocols/silc/silc.c	Wed Aug 28 15:46:28 2013 +0530
@@ -1362,7 +1362,7 @@
 	PurpleConnection *gc = client->application;
 	SilcPurple sg = purple_connection_get_protocol_data(gc);
 	SilcPurpleIM im = context;
-	PurpleConversation *convo;
+	PurpleIMConversation *convo;
 	char tmp[256];
 	SilcClientEntry client_entry;
 	SilcDList list;
@@ -1405,7 +1405,7 @@
 								 buf->data,
 								 silc_buffer_len(buf));
 			silc_mime_partial_free(list);
-			purple_im_conversation_write_message(PURPLE_CONV_IM(convo), conn->local_entry->nickname,
+			purple_conversation_write_message(PURPLE_CONVERSATION(convo), conn->local_entry->nickname,
 					     im->message, 0, time(NULL));
 			goto out;
 		}
@@ -1414,14 +1414,14 @@
 	/* Send the message */
 	silc_client_send_private_message(client, conn, client_entry, im->flags,
 					 sg->sha1hash, (unsigned char *)im->message, im->message_len);
-	purple_im_conversation_write_message(PURPLE_CONV_IM(convo), conn->local_entry->nickname,
+	purple_conversation_write_message(PURPLE_CONVERSATION(convo), conn->local_entry->nickname,
 			     im->message, 0, time(NULL));
 	goto out;
 
  err:
 	g_snprintf(tmp, sizeof(tmp),
 		   _("User <I>%s</I> is not present in the network"), im->nick);
-	purple_conversation_write(convo, NULL, tmp, PURPLE_MESSAGE_SYSTEM, time(NULL));
+	purple_conversation_write(PURPLE_CONVERSATION(convo), NULL, tmp, PURPLE_MESSAGE_SYSTEM, time(NULL));
 
  out:
 	if (free_list) {
@@ -1548,7 +1548,7 @@
 		const char *cmd, char **args, char **error, void *data)
 {
 	PurpleConnection *gc;
-	PurpleConversation *convo = conv;
+	PurpleChatConversation *chat = PURPLE_CHAT_CONVERSATION(conv);
 	int id = 0;
 
 	gc = purple_conversation_get_connection(conv);
@@ -1557,11 +1557,11 @@
 		return PURPLE_CMD_RET_FAILED;
 
 	if(args && args[0])
-		convo = purple_conversations_find_chat_with_account(args[0],
+		chat = purple_conversations_find_chat_with_account(args[0],
 									purple_connection_get_account(gc));
 
-	if (convo != NULL)
-		id = purple_chat_conversation_get_id(PURPLE_CONV_CHAT(convo));
+	if (chat != NULL)
+		id = purple_chat_conversation_get_id(chat);
 
 	if (id == 0)
 		return PURPLE_CMD_RET_FAILED;
@@ -1581,13 +1581,13 @@
 	const char *topic;
 
 	gc = purple_conversation_get_connection(conv);
-	id = purple_chat_conversation_get_id(PURPLE_CONV_CHAT(conv));
+	id = purple_chat_conversation_get_id(PURPLE_CHAT_CONVERSATION(conv));
 
 	if (gc == NULL || id == 0)
 		return PURPLE_CMD_RET_FAILED;
 
 	if (!args || !args[0]) {
-		topic = purple_chat_conversation_get_topic (PURPLE_CONV_CHAT(conv));
+		topic = purple_chat_conversation_get_topic(PURPLE_CHAT_CONVERSATION(conv));
 		if (topic) {
 			tmp = g_markup_escape_text(topic, -1);
 			tmp2 = purple_markup_linkify(tmp);
@@ -1596,7 +1596,7 @@
 			g_free(tmp2);
 		} else
 			buf = g_strdup(_("No topic is set"));
-		purple_chat_conversation_write_message(PURPLE_CONV_CHAT(conv), purple_account_get_username(purple_connection_get_account(gc)), buf,
+		purple_conversation_write_message(conv, purple_account_get_username(purple_connection_get_account(gc)), buf,
 							 PURPLE_MESSAGE_SYSTEM|PURPLE_MESSAGE_NO_LOG, time(NULL));
 		g_free(buf);
 
@@ -1679,7 +1679,7 @@
 		const char *cmd, char **args, char **error, void *data)
 {
 	int ret = 1;
-	PurpleConversation *convo;
+	PurpleIMConversation *im;
 	PurpleConnection *gc;
 	PurpleAccount *account;
 
@@ -1695,11 +1695,11 @@
 
 	account = purple_connection_get_account(gc);
 
-	convo = purple_im_conversation_new(account, args[0]);
+	im = purple_im_conversation_new(account, args[0]);
 
 	if (args[1]) {
 		ret = silcpurple_send_im(gc, args[0], args[1], PURPLE_MESSAGE_SEND);
-		purple_im_conversation_write_message(PURPLE_CONV_IM(convo), purple_connection_get_display_name(gc),
+		purple_conversation_write_message(PURPLE_CONVERSATION(im), purple_connection_get_display_name(gc),
 				args[1], PURPLE_MESSAGE_SEND, time(NULL));
 	}
 
@@ -1795,7 +1795,7 @@
 		} else {
 			msg = g_strdup_printf(_("no channel modes are set on %s"), chname);
 		}
-		purple_chat_conversation_write_message(PURPLE_CONV_CHAT(conv), "",
+		purple_conversation_write_message(conv, "",
 							 msg, PURPLE_MESSAGE_SYSTEM|PURPLE_MESSAGE_NO_LOG, time(NULL));
 		g_free(msg);
 		return PURPLE_CMD_RET_OK;