Fix zlib problem introduced by linking against gnulib's crc32() function.
[pspp] / src /
drwxr-xr-x   ..
-rw-r--r-- 21 .gitignore
-rw-r--r-- 486537 OChangeLog
-rw-r--r-- 934 automake.mk
drwxr-xr-x - data
drwxr-xr-x - language
drwxr-xr-x - libpspp
drwxr-xr-x - math
drwxr-xr-x - output
drwxr-xr-x - ui