define MAXPATHLEN for hosts that don't support it
define MAXPATHLEN for hosts that don't support it

[jc: Martin says syllable (www.syllable.org) wants this.]

Signed-off-by: Junio C Hamano <dc50d1021234060e53ec42a77d526afa2fe07479@cox.net>

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