Small fix to thread allocation for NetWare

Obtained from:  new-httpd
Submitted by:	Brad Nicholes <BNICHOLES@novell.com>
Reviewed by:	William Rowe


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/1.3.x@86908 13f79535-47bb-0310-9956-ffa450edef68