Start at port 768 to make the number of ports available to
bindresvport() a power of 2.

diff --git a/klibc/inet/bindresvport.c b/klibc/inet/bindresvport.c
index e4c4c5b..750bd70 100644
--- a/klibc/inet/bindresvport.c
+++ b/klibc/inet/bindresvport.c
@@ -9,7 +9,7 @@
 #include <string.h>
 #include <unistd.h>
 
-#define START_PORT	600
+#define START_PORT	768
 #define END_PORT	IPPORT_RESERVED
 #define NUM_PORTS	(END_PORT - START_PORT)