mod_deflate: fix decompression of files larger than 4GB. According to RFC1952,

Input SIZE (compLen) contains the size of the original input data modulo 2^32.

PR: 56062
Submitted by: Lukas Bezdicka


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@1572092 13f79535-47bb-0310-9956-ffa450edef68