Index: main.cc
--- main.cc.orig
+++ main.cc
@@ -292,7 +292,7 @@ char *GetAddressFamily()
 //
 // Output:  ASCII representation of network protocol name.
 //
-char *GetPrintableNetworkProtocol(NetworkProtocolType np)
+const char *GetPrintableNetworkProtocol(NetworkProtocolType np)
 {
     switch (np) {
     case (NetworkProtocolIpv4Udp): 
@@ -371,7 +371,7 @@ int main(int argc, char **argv)
 	case 'b': {
 	    Burst = atoi(optarg);
 	    if (Burst < 1) {
-		fprintf(stderr, "Warning: burst size %d too small; resetting to 1\n");
+		fprintf(stderr, "Warning: burst size %d too small; resetting to 1\n", Burst);
 		Burst = 1;
 	    }
 	    break;