Description of problem:
'gzip -l' shows bogus information if file is bigger then 4GB.

Seen on IA64 RHEL4.6 with gunzip 1.3.3

# ls -la test.tar.gz
-rw-r--r--   1 root root 4260425963 Apr 22 16:31 test.tar.gz
# gunzip -l test.tar.gz
         compressed        uncompressed  ratio uncompressed_name
         4260425963                8192 -52007052.6% test.tar

Seen on x86_64 RHEL5.1 with gunzip 1.3.5

# ls -la test.tar.gz
-rw-r--r-- 1 root root 4260425963 Apr 22 16:46 test.tar.gz
# gunzip -l test.tar.gz
         compressed        uncompressed  ratio uncompressed_name
         4260425963                8192 -52007052.6% test.tar


Version-Release number of selected component (if applicable):
gunzip from RHEL 4.6 and 5.1

How reproducible:
always

Steps to Reproduce:
1. tar -czf file.tar.gz <very huge file>
2. gunzip -l file.tar.gz
  
Actual results:
         compressed        uncompressed  ratio uncompressed_name
         4260425963                8192 -52007052.6% test.tar

Expected results:
         compressed        uncompressed  ratio uncompressed_name
         4260425963         11567405143  38%   test.tar