databases/ldb20: fix build with lld 17

Building databases/ldb20 with lld 17 results in the following link
errors:

  ld: error: version script assignment of 'LDB_0.9.10' to symbol 'ldb_connect_backend' failed: symbol not defined
  ld: error: version script assignment of 'LDB_0.9.10' to symbol 'ldb_init_module_chain' failed: symbol not defined
  ld: error: version script assignment of 'LDB_0.9.10' to symbol 'ldb_load_modules_list' failed: symbol not defined
  ld: error: version script assignment of 'LDB_0.9.18' to symbol 'ldb_asq_init' failed: symbol not defined
  ld: error: version script assignment of 'LDB_0.9.18' to symbol 'ldb_paged_results_init' failed: symbol not defined
  ld: error: version script assignment of 'LDB_0.9.18' to symbol 'ldb_paged_searches_init' failed: symbol not defined
  ld: error: version script assignment of 'LDB_0.9.18' to symbol 'ldb_rdn_name_init' failed: symbol not defined
  ld: error: version script assignment of 'LDB_0.9.18' to symbol 'ldb_sample_init' failed: symbol not defined
  ld: error: version script assignment of 'LDB_0.9.18' to symbol 'ldb_server_sort_init' failed: symbol not defined
  ld: error: version script assignment of 'LDB_0.9.18' to symbol 'ldb_skel_init' failed: symbol not defined
  ld: error: version script assignment of 'LDB_0.9.18' to symbol 'ldb_tdb_init' failed: symbol not defined
  ld: error: version script assignment of 'LDB_1.1.25' to symbol 'ldb_unpack_data_only_attr_list' failed: symbol not defined
  ld: error: version script assignment of 'LDB_1.1.27' to symbol 'ldb_unpack_data_only_attr_list_flags' failed: symbol not defined
  ld: error: version script assignment of 'local' to symbol '_end' failed: symbol not defined
  ld: error: version script assignment of 'local' to symbol '__bss_start' failed: symbol not defined
  ld: error: version script assignment of 'local' to symbol '_edata' failed: symbol not defined

Since the linker version scripts are generated dynamically, suppress
errors with lld >= 17 due to these undefined symbols.

PR:		273753
MFH:		2023Q4