add missing error checks

Author: Changaco

libarchive/ffi.py

@@ -286,9 +286,9 @@ def get_write_filter_function(filter_name):
 ffi('read_disk_open', [c_archive_p, c_char_p], c_int, check_int)
 ffi('read_disk_open_w', [c_archive_p, c_wchar_p], c_int, check_int)
 ffi('read_disk_descend', [c_archive_p], c_int, check_int)
-ffi('read_disk_set_symlink_hybrid', [c_archive_p], c_int)
-ffi('read_disk_set_symlink_logical', [c_archive_p], c_int)
-ffi('read_disk_set_symlink_physical', [c_archive_p], c_int)
+ffi('read_disk_set_symlink_hybrid', [c_archive_p], c_int, check_int)
+ffi('read_disk_set_symlink_logical', [c_archive_p], c_int, check_int)
+ffi('read_disk_set_symlink_physical', [c_archive_p], c_int, check_int)
 
 # archive_read_data