TurboCap: Use "%d" to print a signed int

Fix this cppcheck warning:
pcap-tc.c:1127:3: warning: %u in format string (no. 1) requires
'unsigned int' but the argument type is 'signed int'.
[invalidPrintfArgType_uint]
  snprintf(p->errbuf, PCAP_ERRBUF_SIZE, "Mode %u not supported by TurboCap
  devices. TurboCap only supports capture.", mode);
  ^

1 files changed, 1 insertions, 1 deletions

diff --git a/pcap-tc.c b/pcap-tc.c
index 9902633a..aa28f0fe 100644
--- a/pcap-tc.c
+++ b/pcap-tc.c
@@ -1124,7 +1124,7 @@ TcSetMode(pcap_t *p, int mode)
 {
 	if (mode != MODE_CAPT)
 	{
-		snprintf(p->errbuf, PCAP_ERRBUF_SIZE, "Mode %u not supported by TurboCap devices. TurboCap only supports capture.", mode);
+		snprintf(p->errbuf, PCAP_ERRBUF_SIZE, "Mode %d not supported by TurboCap devices. TurboCap only supports capture.", mode);
 		return -1;
 	}