Fix a bug in relink where a missing file aborted the whole thing. Error message for different file systems.
Fix a bug in relink where a missing file aborted the whole thing.
Error message for different file systems.

bk: 3c77384efsax37JhaFfv4BkncUh3UQ
bitkeeper-scm/bitkeeper,bitkeeper-scm/bitkeeper,bitkeeper-scm/bitkeeper,bitkeeper-scm/bitkeeper,bitkeeper-scm/bitkeeper,bitkeeper-scm/bitkeeper,bitkeeper-scm/bitkeeper,bitkeeper-scm/bitkeeper,bitkeeper-scm/bitkeeper,bitkeeper-scm/bitkeeper,bitkeeper-scm/bitkeeper,bitkeeper-scm/bitkeeper