Fix unexpected keyword argument 'print_as_stderr' in crash test (#12339)

Summary:
Fix crash test failure like https://github.com/facebook/rocksdb/actions/runs/7821514511/job/21338625372#step:5:530

Pull Request resolved: #12339

Test Plan: CI

Reviewed By: jaykorean

Differential Revision: D53545053

Pulled By: cbi42

fbshipit-source-id: b466a8dc9c0ded0377e8677937199c6f959f96ef

tools/db_crashtest.py

@@ -909,7 +909,7 @@ def blackbox_crash_main(args, unknown_args):
     print("stdout:", outs)
 
     # Print stderr of the final run
-    exit_if_stderr_has_errors(errs, print_as_stderr=args.print_stderr_separately)
+    exit_if_stderr_has_errors(errs, args.print_stderr_separately)
 
     # we need to clean up after ourselves -- only do this on test success
     cleanup_after_success(dbname)