bzip2/lzma: DECOMPRESS_GZIP should select ZLIB_INFLATE

Impact: Partial resolution of build failure

DECOMPRESS_GZIP is just a common-interface wrapper around the
zlib_inflate code; it thus need to select it.

Signed-off-by: H. Peter Anvin <hpa@zytor.com>
diff --git a/lib/Kconfig b/lib/Kconfig
index e37f061..daa4818 100644
--- a/lib/Kconfig
+++ b/lib/Kconfig
@@ -102,6 +102,7 @@
 # ZLIB_INFLATE; DECOMPRESS_GZIP is just a wrapper.)
 #
 config DECOMPRESS_GZIP
+	select ZLIB_INFLATE
 	tristate
 
 config DECOMPRESS_BZIP2