PR 60324 VLA related fixes to random number generator.

2014-11-16  Janne Blomqvist  <jb@gcc.gnu.org>

	PR libfortran/60324
	* intrinsics/random.c (kiss_size): Rename to KISS_SIZE, make it a
	macro instead of a variable.
	(random_seed_i4): Make seed correct size, remove assert, KISS_SIZE
	related changes.
	(random_seed_i8): KISS_SIZE related changes.

From-SVN: r217623