Removed the variable name "template" from a prototype for SunOS4

in ap_config.h to make C++ compiler happy, too.

Submitted by: SAKAI Kiyotaka <ksakai@netwk.ntt-at.co.jp>
Reviewed by: Ralf S. Engelschall
PR: 5363


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/1.3.x@84173 13f79535-47bb-0310-9956-ffa450edef68