surprised -Wall does not complain, but ap_scan_script_header_err_core() should...

surprised -Wall does not complain, but ap_scan_script_header_err_core() should explicitly return an int


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@89058 13f79535-47bb-0310-9956-ffa450edef68