Again, use conf.h since we have it. Too bad

no one else noticed that support's Makefile includes ./src/include
or else this would have been fixed a long time ago, I'm sure


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/1.3.x@81004 13f79535-47bb-0310-9956-ffa450edef68