Avoid problems with braindead Awks by additionally searching for gawk

and nawk in APACI's configure script.

Submitted by: Dave Dykstra <dwd@bell-labs.com> and Ralf S. Engelschall
Reviewed by: Ralf S. Engelschall
PR: 2319


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/1.3.x@81417 13f79535-47bb-0310-9956-ffa450edef68