Update geom_uzip to use new zlib:

• Use new zlib headers;
• Removed z_alloc and z_free to use the common sys/dev/zlib version.
• Replace z_compressBound with compressBound from zlib.

While there, limit LZMA CFLAGS to apply only for g_uzip_lzma.c.

PR: 229763
Submitted by: Yoshihiro Ota <ota j email ne jp> (with changes,

		bugs are mine)

Differential Revision: https://reviews.freebsd.org/D20271