Update hash value in pdumper.c

* src/pdumper.c (dump_fwd_buffer_obj) [CHECK_STRUCTS]: Update
the hash in HASH_Lisp_Buffer_Objfwd.  (Bug#36225)
1 job for master in 90 minutes and 3 seconds (queued for 4 seconds)
Status Job ID Name Coverage
  Test
failed #2208
test-all

01:30:03

 
Name Stage Failure
failed
test-all Test The script exceeded the maximum execution time set for the job
  GEN      lisp/auth-source-pass-tests.log
ELC lisp/auth-source-tests.elc
GEN lisp/auth-source-tests.log
ELC lisp/autoinsert-tests.elc
GEN lisp/autoinsert-tests.log
ELC lisp/autorevert-tests.elc
GEN lisp/autorevert-tests.log
Pulling docker image gitlab/gitlab-runner-helper:x86_64-f100a208 ...
ERROR: Job failed: execution took longer than 1h30m0s seconds