fix sigfault in "DESTROY NULL file_id_info_"

td/telegram/cli.cpp

@@ -911,6 +911,8 @@ class CliClient final : public Actor {
     if (disable_network_) {
       send_request(td_api::make_object<td_api::setNetworkType>(td_api::make_object<td_api::networkTypeNone>()));
     }
+
+    on_cmd("v0");
   }
 #ifndef USE_READLINE
   size_t buffer_pos_ = 0;
@@ -4084,8 +4086,6 @@ class CliClient final : public Actor {
     }
 #endif
 
-    on_cmd("v0");
-
     while (!cmd_queue_.empty() && !close_flag_) {
       auto cmd = std::move(cmd_queue_.front());
       cmd_queue_.pop();

td/telegram/files/FileManager.cpp

@@ -3889,8 +3889,8 @@ void FileManager::memory_cleanup() {
     auto it = file_id_info_.begin();
     while (it != file_id_info_.end()) {
       if (file_nodes_[it->second.node_id_].empty) {
-        file_id_info_.erase(it++);
         context_->destroy_file_source({it->first, 0});
+        file_id_info_.erase(it++);
       } else {
         ++it;
       }