Make sure some AWK's don't fail in src/Configure with "string too long" errors

when generating the MODULES entry for src/Makefile

Submitted by: Ralf S. Engelschall
Reviewed by: Ben Hyde, Ralf S. Engelschall


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/1.3.x@80950 13f79535-47bb-0310-9956-ffa450edef68