Merge pull request #234 from Darexon/master

AddPortMapping() now returns an error code

miniupnpc/upnpc.c

@@ -292,9 +292,11 @@ static int SetRedirectAndTest(struct UPNPUrls * urls,
 		r = UPNP_AddPortMapping(urls->controlURL, data->first.servicetype,
 					eport, iport, iaddr, description,
 					proto, 0, leaseDuration);
-		if(r!=UPNPCOMMAND_SUCCESS)
+		if(r!=UPNPCOMMAND_SUCCESS) {
 			printf("AddPortMapping(%s, %s, %s) failed with code %d (%s)\n",
 			       eport, iport, iaddr, r, strupnperror(r));
+			return -2;
+	}
 	}
 
 	r = UPNP_GetSpecificPortMappingEntry(urls->controlURL,