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


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@1652829 13f79535-47bb-0310-9956-ffa450edef68