* elf/dl-support.c (non_dynamic_init): Move the auxiliary
vector checking to ...
(_dl_aux_init): Here. New function. Defined only if
HAVE_AUX_VECTOR is defined.
* sysdeps/generic/libc-start.c (__libc_start_main): Call
_dl_aux_init for static binaries if HAVE_AUX_VECTOR is defined.