nfq: fix compilation warning in nfq_snprintf_xml()

In 21fd1834b5ce0a1f5b590f7e1ad23bba64fbafdf, we changed nfq_get_payload()
to take an unsigned char * instead of signed char *.

Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>

diff --git a/src/libnetfilter_queue.c b/src/libnetfilter_queue.c
index 16a5291..bb2771a 100644 (file)
--- a/src/libnetfilter_queue.c
+++ b/src/libnetfilter_queue.c
@@ -1026,7 +1026,7 @@ int nfq_snprintf_xml(char *buf, size_t len, struct nfq_data *tb, int flags)
        struct nfqnl_msg_packet_hw *hwph;
        u_int32_t mark, ifi;
        int size, offset = 0, ret;
-       char *data;
+       unsigned char *data;
 
        size = snprintf(buf + offset, len, "<pkt>");
        SNPRINTF_FAILURE(size, len, offset);