* ext/dl/lib/types.rb: Win64 support.

	* ext/fiddle/conversions.c (value_to_generic): src is not guranteed as
	  a Bignum if the type is LONG_LONG.  it may be a Fixnum if the value
	  is small.

	* ext/dl/lib/value.rb (DL::ValueUtil.{unsigned_value,signed_value}):
	  currenly pack/unpack does not accept "q!" and "Q!".

	* test/ruby/memory_status.rb (Memory::Win32): 64bit support.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_9_3@34509 b2dd03c8-39d4-4d8f-98ff-823fe69b080e