Log Message:
Update from version 0.20 to 0.21.

Pkgsrc changes:
 o Canonicalize HOMEPAGE
 o Add USE_LANGUAGES=c

Upstream changes:

2008-08-17  Hajimu UMEMOTO  <ume@mahoroba.org>

	* Socket6.pm: Bump version number to 0.21.

	* Socket6.xs: Make it buildable on the following environment by
	defining WINVER as 0x0501:
		- Windows XP SP3
		- ActivePerl-5.10.0.1003-MSWin32-x86-285500
		- MinGW-5.1.4
		- nmake 9.00.21022.08 (shipped with VisualStudio 2008 Express)

	Submitted by:	"IWAMURO Motonori" <vmi@nifty.com>