Commit Briefs
cope with directory entries returned from readdir(3) with type DT_UNKNOWN
Such directory entries need special handling to make our directory traversal code work on filesystems that do not support the d_type optimization. I found this problem because references stored in the refs/ directory were not shown by 'got log' and 'tog log' when a repository is mounted over NFS. helpful feedback + ok millert@
Add missing includes for time() and ctime()
These headers were implicitly used on OpenBSD, but building on Linux revealed that <time.h> wasn't included directly. diffreg.c uses ctime(), which additionally needs <sys/types.h>.