Some versions of tr (noticed on a special Solaris8 version) fail to accept

the "tr '[a-z]' '[A-Z]'" syntax.  Fall back to some heuristics to create
a workable ap_config_auto.h anyway.


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/1.3.x@97174 13f79535-47bb-0310-9956-ffa450edef68