- shared lib support

- shared lib support

[3:20 wolf@bajzel:~/tmp]% i386-mingw32-gcc example.c -o example.exe -lz
[3:20 wolf@bajzel:~/tmp]% i386-mingw32-strip example.exe
[3:20 wolf@bajzel:~/tmp]% ls -l example.exe
-rwxr-xr-x    1 wolf     wheel       10752 2003-12-25 03:20 example.exe
[3:20 wolf@bajzel:~/tmp]% ./example.exe
zlib version 1.2.1 = 0x1210, compile flags = 0x255
(...)

Changed files:
    crossmingw32-zlib.spec -> 1.8