gzip: use common bbunzip infrastructure - ~700 bytes code less
diff --git a/archival/Kbuild b/archival/Kbuild
index 011feee..07b442f 100644
--- a/archival/Kbuild
+++ b/archival/Kbuild
@@ -14,7 +14,7 @@
 lib-$(CONFIG_DPKG)		+= dpkg.o
 lib-$(CONFIG_DPKG_DEB)		+= dpkg_deb.o
 lib-$(CONFIG_GUNZIP)		+= bbunzip.o
-lib-$(CONFIG_GZIP)		+= gzip.o
+lib-$(CONFIG_GZIP)		+= gzip.o bbunzip.o
 lib-$(CONFIG_RPM2CPIO)		+= rpm2cpio.o
 lib-$(CONFIG_RPM)		+= rpm.o
 lib-$(CONFIG_TAR)		+= tar.o