archive_read_support_filter_lz4.c: use uint32_c for compressed

Fixes #1237

diff --git a/libarchive/archive_read_support_filter_lz4.c b/libarchive/archive_read_support_filter_lz4.c
index 147f5027ff4d728a4b3bb0b5f4ceba01c868844b..9835b39addf1598f0188686cf6c5d24e0ab5cbb1 100644 (file)
--- a/libarchive/archive_read_support_filter_lz4.c
+++ b/libarchive/archive_read_support_filter_lz4.c
@@ -674,7 +674,7 @@ static ssize_t
 lz4_filter_read_legacy_stream(struct archive_read_filter *self, const void **p)
 {
        struct private_data *state = (struct private_data *)self->data;
-       int compressed;
+       uint32_t compressed;
        const char *read_buf;
        ssize_t ret;