Fix __fxstat which is called from fstat. Remove obsolete fstat64.

sysdeps/nacl/xstat.c

Index: sysdeps/nacl/xstat.c
diff --git a/sysdeps/nacl/xstat.c b/sysdeps/nacl/xstat.c
index f5b2575020fc5f453e3faec35f2dafedbb04e2bb..c7ff7642756b597a856e3aeb0ddfe843d6ca425a 100644
--- a/sysdeps/nacl/xstat.c
+++ b/sysdeps/nacl/xstat.c
@@ -21,25 +21,7 @@ int __xstat (int version, const char *path, struct stat *buf)
     }
   else
     {
-      buf->st_dev = st.nacl_abi_st_dev;
-#ifdef _HAVE_STAT___PAD1
-      buf->__pad1 = 0;
-#endif
-      buf->st_ino = st.nacl_abi_st_ino;
-      buf->st_mode = st.nacl_abi_st_mode;
-      buf->st_nlink = st.nacl_abi_st_nlink;
-      buf->st_uid = st.nacl_abi_st_uid;
-      buf->st_gid = st.nacl_abi_st_gid;
-      buf->st_rdev = st.nacl_abi_st_rdev;
-#ifdef _HAVE_STAT___PAD2
-      buf->__pad2 = 0;
-#endif
-      buf->st_size = st.nacl_abi_st_size;
-      buf->st_blksize = st.nacl_abi_st_blksize;
-      buf->st_blocks = st.nacl_abi_st_blocks;
-      buf->st_atime = st.nacl_abi_st_atime;
-      buf->st_mtime = st.nacl_abi_st_mtime;
-      buf->st_ctime = st.nacl_abi_st_ctime;
+      __nacl_abi_stat_to_stat (&st, buf);
       return 0;
     }
 }