fix deltachat/deltachat-core-rust/issues/163

basically "back port" deltachat/deltachat-core-rust#288

src/dc_chat.c

@@ -2206,9 +2206,10 @@ static int get_parent_mime_headers(const dc_chat_t* chat,
 	stmt = dc_sqlite3_prepare(chat->context->sql,
 		"SELECT rfc724_mid, mime_in_reply_to, mime_references"
 		" FROM msgs"
-		" WHERE timestamp=(SELECT max(timestamp) FROM msgs WHERE chat_id=? AND from_id!=?);");
+		" WHERE chat_id=? AND timestamp=(SELECT max(timestamp) FROM msgs WHERE chat_id=? AND from_id!=?);");
 	sqlite3_bind_int  (stmt, 1, chat->id);
-	sqlite3_bind_int  (stmt, 2, DC_CONTACT_ID_SELF);
+	sqlite3_bind_int  (stmt, 2, chat->id);
+	sqlite3_bind_int  (stmt, 3, DC_CONTACT_ID_SELF);
 	if (sqlite3_step(stmt)==SQLITE_ROW) {
 		*parent_rfc724_mid  = dc_strdup((const char*)sqlite3_column_text(stmt, 0));
 		*parent_in_reply_to = dc_strdup((const char*)sqlite3_column_text(stmt, 1));
@@ -2223,9 +2224,10 @@ static int get_parent_mime_headers(const dc_chat_t* chat,
 		stmt = dc_sqlite3_prepare(chat->context->sql,
 			"SELECT rfc724_mid, mime_in_reply_to, mime_references"
 			" FROM msgs"
-			" WHERE timestamp=(SELECT min(timestamp) FROM msgs WHERE chat_id=? AND from_id==?);");
+			" WHERE chat_id=? AND timestamp=(SELECT min(timestamp) FROM msgs WHERE chat_id=? AND from_id==?);");
 		sqlite3_bind_int  (stmt, 1, chat->id);
-		sqlite3_bind_int  (stmt, 2, DC_CONTACT_ID_SELF);
+		sqlite3_bind_int  (stmt, 2, chat->id);
+		sqlite3_bind_int  (stmt, 3, DC_CONTACT_ID_SELF);
 		if (sqlite3_step(stmt)==SQLITE_ROW) {
 			*parent_rfc724_mid  = dc_strdup((const char*)sqlite3_column_text(stmt, 0));
 			*parent_in_reply_to = dc_strdup((const char*)sqlite3_column_text(stmt, 1));