add "genre" and "description" to shout config parameters

doc/mpdconf.example

@@ -77,11 +77,15 @@ audio_output {
 #	host		"hostname"
 #	port		"8000"
 #	mount		"/mpd.ogg"
-#	user		"source"
 #	password	"hackme"
 #	quality		"5.0"	
 #	bitrate		"128"
 #	format		"44100:16:1"
+#
+# Optional Paramters
+#	user		"source"
+#	description	"here's my long descriptiion"
+#       genre		"jazz"
 #} # end of audio_output
 #
 ##########################################################

src/audioOutputs/audioOutput_shout.c

@@ -224,6 +224,25 @@ static int myShout_initDriver(AudioOutput * audioOutput, ConfigParam * param) {
 		exit(EXIT_FAILURE);
 	}
 
+	/* optional paramters */
+	blockParam = getBlockParam(param, "genre");
+	if(blockParam && shout_set_genre(sd->shoutConn, blockParam->value)) {
+		ERROR("error configuring shout defined at line %i: %s\n",
+				param->line,
+				shout_get_error(sd->shoutConn));
+		exit(EXIT_FAILURE);
+	}
+
+	blockParam = getBlockParam(param, "description");
+	if(blockParam && shout_set_description(sd->shoutConn, 
+				blockParam->value)) 
+	{
+		ERROR("error configuring shout defined at line %i: %s\n",
+				param->line,
+				shout_get_error(sd->shoutConn));
+		exit(EXIT_FAILURE);
+	}
+
 	{
 		char temp[11];
 		memset(temp, 0, sizeof(temp));

src/listen.c

@@ -151,8 +151,9 @@ static int establishListen(unsigned int port, ConfigParam * param) {
 	}
 
 	if(bind(sock,addrp,addrlen)<0) {
-		ERROR("unable to bind port %i (for address at line %i): %s\n", 
-				port, param->line, strerror(errno));
+		ERROR("unable to bind port %u", port);
+		if(param) ERROR(" (for address at line %i)", param->line);
+		ERROR(": %s\n", strerror(errno));
 		ERROR("maybe MPD is still running?\n");
 		exit(EXIT_FAILURE);
 	}