Added Martin Macok ratelimit patch with minor changes

NmapOps.h

@@ -240,6 +240,10 @@ class NmapOps {
 		    FIN scan into a PSH scan.  Sort of a hack, but can
 		    be very useful sometimes. */
 
+  int defeat_rst_ratelimit; /* Solaris 9 rate-limits RSTs so scanning is very
+            slow against it. If we don't distinguish between closed and filtered ports,
+            we can get the list of open ports very fast */
+
   struct in_addr resume_ip; /* The last IP in the log file if user 
 			       requested --restore .  Otherwise 
 			       restore_ip.s_addr == 0.  Also