Merge r1652829 from trunk:

mod_authnz_fcgi.c: Silence compiler warnings:

- modules/aaa/mod_authnz_fcgi.c:705: warning:
  'orspbuflen' may be used uninitialized in
  this function
- modules/aaa/mod_authnz_fcgi.c:1235: warning:
  comparison is always false due to limited
  range of data type

Submitted by: rjung
Reviewed by: rjung, ylavic, jailletc36
Backported by: rjung


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1657695 13f79535-47bb-0310-9956-ffa450edef68