xtalk: allow dump_packet() without debug flags

xtalk: dump_packet() may now be used without debug flags by passing
mask == 0.

Origin: Xorcom xtalk (r9302)

Signed-off-by: Oron Peled <oron.peled@xorcom.com>
Acked-by: Tzafrir Cohen <tzafrir.cohen@xorcom.com>

git-svn-id: http://svn.astersk.org/svn/dahdi/tools/trunk@10710 17933a7a-c749-41c5-a318-cba88f637d49

xpp/xtalk/debug.c

@@ -48,7 +48,7 @@ void dump_packet(int loglevel, int mask, const char *msg, const char *buf, int l
 {
 	int	i;
 
-	if(mask & debug_mask) {
+	if(!mask || (mask & debug_mask)) {
 		log_function(loglevel, ~0, "%-15s:", msg);
 		for(i = 0; i < len; i++)
 			log_function(loglevel, ~0, " %02X", (uint8_t)buf[i]);