Some Configure cleanups... we were using TABs

inconsistantly. We use TABs in Configure since, at times, it generates
inline scripts to awk and sed, and some shells have small buffers


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/1.3.x@82515 13f79535-47bb-0310-9956-ffa450edef68