Avoid dirent::d_namlen (not there on Linux glibc).
Avoid dirent::d_namlen (not there on Linux glibc).

songchenwen/ldid,nandub/ldid,songchenwen/ldid,nandub/ldid,tpoechtrager/ldid,tpoechtrager/ldid,songchenwen/ldid,tpoechtrager/ldid,nandub/ldid