tweak to ralf's recent change which looks for gawk/nawk... it did things

in the wrong order -- so it would still use awk if it was in an earlier
path rather than preferring gawk/nawk.

PR:		2319
Submitted by:	Dave Dykstra <dwd@bell-labs.com>


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/1.3.x@81513 13f79535-47bb-0310-9956-ffa450edef68