[PATCH roland/dirent64] clean up wordsize-64 struct dirent functions

[David Miller]

From: Roland McGrath <roland@hack.frob.com>
Date: Thu,  2 Aug 2012 14:55:30 -0700 (PDT)

> As before, I've tested that no code changed on x86_64-linux-gnu.
> I think it should cover all wordsize-64 configurations, but they should
> be tested:
> 	alpha, ia64, mips64, tilegx64, powerpc64, s390x, sparc64

This breaks the build on sparc64:

make[2]: *** No rule to make target '../sysdeps/wordsize-64/iofgetpos.c', needed by '/home/davem/src/GIT/GLIBC/build-sparc64-multiarch/libio/iofgetpos.o'.  Stop.
make[2]: *** Waiting for unfinished jobs....
Makefile:233: recipe for target 'libio/subdir_lib' failed
make[1]: *** [libio/subdir_lib] Error 2
Makefile:7: recipe for target 'all' failed
make: *** [all] Error 2