Fix git-p4 on Windows to not use the Posix sysconf function.
Fix git-p4 on Windows to not use the Posix sysconf function.

Add condition for Windows, since it doesn't support the os.sysconf module.
We hardcode the commandline limit to 2K, as that should work on most
Windows platforms.

Signed-off-by: Marius Storm-Olsen <38edb439dbcce85f0f597d90d338db16e5438073@trolltech.com>
Acked-by: Simon Hausmann <088e16a1019277b15d58faf0541e11910eb756f6@lst.de>
Signed-off-by: Shawn O. Pearce <f01032651c12a22b2103346ba96b3b6b231f9d3c@spearce.org>

destenson/git,destenson/git,destenson/git,destenson/git,destenson/git,destenson/git,destenson/git,destenson/git