varray.c: Include hashtab.h

varray.c: Include hashtab.h

	* varray.c:  Include hashtab.h
	(varray_descriptor): New structure.
	(hash_descriptor, eq_descriptor, varray_descriptor,
	print_statistics): New static functions
	(varray_init, varray_grow): Update statistics
	(dump_varray_statistics): New function.
	* varray.h (dump_varray_statistics): Declare.
	* toplev.c (finalize): Call it.
	* Makefile.in (varray.o): Add dependency.

From-SVN: r76232