[BusyBox] CVS tar (or gzip) is broken

[Michael Sternberg]

586-gcc -I/tmp/busybox/include -Wall -Wstrict-prototypes -Wshadow  -Os -marc
h=i386 -mpreferred-stack-boundary=2  -malign-functions=0 -malign-jumps=0 -ma
lign-loops=0 -fomit-frame-pointer -D_GNU_SOURCE -DBB_VER='"0.63.cvs"' -DBB_B
T='"2002.11.19-15:02+0000"'    -c -o
/tmp/busybox/archival/libunarchive/get_header_tar_gz.o
/tmp/busybox/archival/libunarchive/get_header_tar_gz.c

/tmp/busybox/archival/libunarchive/get_header_tar_gz.c: In function
`get_header_tar_gz':
/tmp/busybox/archival/libunarchive/get_header_tar_gz.c:33: warning: implicit
declaration of function `GZ_gzReadOpen'
/tmp/busybox/archival/libunarchive/get_header_tar_gz.c:35: `read_gz'
undeclared (first use in this function)
/tmp/busybox/archival/libunarchive/get_header_tar_gz.c:35: (Each undeclared
identifier is reported only once
/tmp/busybox/archival/libunarchive/get_header_tar_gz.c:35: for each function
it appears in.)
/tmp/busybox/archival/libunarchive/get_header_tar_gz.c:42: warning: implicit
declaration of function `GZ_gzReadClose'
make: *** [/tmp/busybox/archival/libunarchive/get_header_tar_gz.o] Error 1