Logging of errors from the call_exec routine simply went nowhere,

since the logfile fd has been closed, so now we send them to stderr.

Submitted by: Harald T. Alvestrand  [closes PR#163]
Reviewed by: Roy Fielding, Marc Slemko, Dean Gaudet, Randy Terbush


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/1.3.x@77590 13f79535-47bb-0310-9956-ffa450edef68