File fix-random-return.patch of Package tcptrack

Index: tcptrack-1.3.0/src/IPv4Address.cc
===================================================================
--- tcptrack-1.3.0.orig/src/IPv4Address.cc
+++ tcptrack-1.3.0/src/IPv4Address.cc
@@ -36,6 +36,7 @@ ostream &operator<<( ostream &out, const
 	int oc3 = (iaddr & 0x0000FF00)/256;
 	int oc4 = (iaddr & 0x000000FF);
 	out << oc1 << "." << oc2 << "." << oc3 << "." << oc4;
+	return out;
 }
 
 struct in_addr IPv4Address::toStruct() const