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

sysdeps/nacl/nacl_stat.h

Index: sysdeps/nacl/nacl_stat.h
diff --git a/sysdeps/nacl/nacl_stat.h b/sysdeps/nacl/nacl_stat.h
index 3da2ef2859314764781349a0d00901337f8f1cb8..7a22a78e710170296efe221eb2e96496759690d9 100644
--- a/sysdeps/nacl/nacl_stat.h
+++ b/sysdeps/nacl/nacl_stat.h
@@ -95,8 +95,10 @@ struct nacl_abi_stat {  /* must be renamed when ABI is exported */
   nacl_abi_time_t    nacl_abi_st_ctime;    /* inode change time */
 };
 
-/* Converts struct nacl_abi_stat to struct stat64. Implemented in fxstat64.c */
+/* Converts struct nacl_abi_stat to struct stat64. Implemented in fxstat.c */
 void __nacl_abi_stat_to_stat64 (struct nacl_abi_stat *nacl_st,
                                 struct stat64 *st);
-
+/* Converts struct nacl_abi_stat to struct stat. Implemented in fxstat.c */
+void __nacl_abi_stat_to_stat (struct nacl_abi_stat *nacl_st,
+                                struct stat *st);
 #endif