gzip: fix a case where tar xzf fails (we use uninitialized fd)

diff --git a/archival/libunarchive/decompress_unzip.c b/archival/libunarchive/decompress_unzip.c
index 0572bee..04d6f15 100644 (file)
--- a/archival/libunarchive/decompress_unzip.c
+++ b/archival/libunarchive/decompress_unzip.c
@@ -1178,6 +1178,7 @@ unpack_gz_stream(int in, int out)
        ALLOC_STATE;
        bytebuffer_max = 0x8000;
        bytebuffer = xmalloc(bytebuffer_max);
+       gunzip_src_fd = in;
 
  again:
        if (!check_header_gzip(PASS_STATE_ONLY)) {