Bugzilla Bug 252195: use Microsoft IPv6 Technology Preview for Windows 2000 (wship6.dll), if available. r=darin.
Bugzilla Bug 252195: use Microsoft IPv6 Technology Preview for Windows
2000 (wship6.dll), if available. r=darin.

thespooler/nspr,thespooler/nspr,thespooler/nspr,thespooler/nspr,thespooler/nspr