Make the Perl interpreter check for the DSO fallback more robust by avoiding

confusing "perl: not found" messages. Although it worked correctly this really
makes the user think Perl is required for shared object support which is not
the case.


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/1.3.x@80803 13f79535-47bb-0310-9956-ffa450edef68