Revert commit e2d9c70, looks like the machine I was testing on had an ancient version of PostgreSQL installed.

Author: zerebubuth

src/dump_reader.cpp

@@ -658,7 +658,7 @@ dump_reader::dump_reader(const std::string &table_name,
                          unsigned int max_concurrency)
   : m_impl() {
   std::ostringstream cmd;
-  cmd << "pg_restore -a -t " << table_name << " " << dump_file;
+  cmd << "pg_restore -f - -a -t " << table_name << " " << dump_file;
   m_impl.reset(new pimpl(cmd.str(), table_name, max_concurrency));
 }