Update from gnulib

Update from gnulib

* cross/lib/stdalign.in.h (_GL_STDALIGN_H):
(_):
(__alignof_is_defined):
* cross/lib/vasnprintf.c:
* lib/gnulib.mk.in (ANDROID_MIN_SDK):
(HAVE_SPAWN_H):
(LIBGCCJIT_LIBS):
(NATIVE_COMPILATION_AOT):
(NEXT_AS_FIRST_DIRECTIVE_LIMITS_H):
(NEXT_LIMITS_H):
(SIZEOF_LONG):
(stdalign.h):
* ../../../../dev/null:
* lib/stdalign.in.h (_GL_STDALIGN_H):
(_):
(__alignof_is_defined):
* lib/vasnprintf.c:
* m4/gnulib-common.m4 (gl_COMMON_BODY):
* m4/stdalign.m4 (gl_ALIGNASOF):
* m4/stddef_h.m4: Update from gnulib.