change default port to 5002 as in #90.

this doesn't fix #34 though -- this should still be added, i.e. some automatic fallback to just any random free port.

shairport.c

@@ -135,7 +135,7 @@ int main(int argc, char **argv)
       slog(LOG_INFO, "Usage:\nshairport [OPTION...]\n\nOptions:\n");
       slog(LOG_INFO, "  -a, --apname=AirPort    Sets Airport name\n");
       slog(LOG_INFO, "  -p, --password=secret   Sets Password (not working)\n");
-      slog(LOG_INFO, "  -o, --server_port=5000  Sets Port for Avahi/dns-sd\n");
+      slog(LOG_INFO, "  -o, --server_port=5002  Sets Port for Avahi/dns-sd\n");
       slog(LOG_INFO, "  -b, --buffer=282        Sets Number of frames to buffer before beginning playback\n");
       slog(LOG_INFO, "  -d                      Daemon mode\n");
       slog(LOG_INFO, "  -q, --quiet             Supresses all output.\n");

shairport.pl

@@ -30,7 +30,7 @@ use 5.10.0;
 # For given() { when() { } ... }
 use feature ":5.10";
 
-use constant PORT => 5000;
+use constant PORT => 5002;
 
 use Getopt::Long;
 use FindBin;

socketlib.h

@@ -14,7 +14,7 @@
 
 
 #define  MAX_SIZE 8192
-#define  PORT 5000
+#define  PORT 5002
 #define  RETRY_COUNT 7
 #define  SERVLEN 80
 #define  RETRY_DELAY 1000