Print "dynamic length" string when printing the type of a c VLA

gdb/

2013-08-30  Keven Boell  <keven.boell@intel.com>

	* c-typeprint.c (c_type_print_varspec_suffix): Added
	check for non existing const high bound. If so, print
	"dyanmic length" string to the console instead of
	random length.

Change-Id: I238616814d0baae07b68f80fd61e664b5fbfc4d0
Signed-off-by: Keven Boell <keven.boell@intel.com>