Make some never-negative values unsigned.

diff --git a/pcap-bpf.c b/pcap-bpf.c
index 369947a69bb48f9249eac619245d0e75c1e863c5..fa979dcaee5f844e55eca498e0ee1465dd0fe8fb 100644 (file)
--- a/pcap-bpf.c
+++ b/pcap-bpf.c
@@ -1034,7 +1034,7 @@ pcap_read_bpf(pcap_t *p, int cnt, pcap_handler callback, u_char *user)
        pad = p->fddipad;
 #endif
        while (bp < ep) {
-               register int caplen, hdrlen;
+               register u_int caplen, hdrlen;
 
                /*
                 * Has "pcap_breakloop()" been called?