DMD 0.151 release

[Sean Kelly]

Walter Bright wrote:
> Bug fixes.
> 
> http://www.digitalmars.com/d/changelog.html

Very nice!  Two quick fixes:

phobos/std/typeinfo/ti_aA.d:
     "uint getHash" -> should be "hash_t getHash"

phobos/object.d:
     "alias uint hash_t" -> should be "alias size_t hash_t" or needs a 
version(X86_64) block as in phobos/internal/object.d


Sean