Adjust for https://github.com/the-tcpdump-group/libpcap/pull/1251

diff -up nmap-7.92/nse_nsock.cc.orig nmap-7.92/nse_nsock.cc
--- nmap-7.92/nse_nsock.cc.orig	2020-02-18 14:41:29.000000000 -0500
+++ nmap-7.92/nse_nsock.cc	2024-12-02 19:21:43.302913416 -0500
@@ -29,6 +29,9 @@
 
 #define DEFAULT_TIMEOUT 30000
 
+/* libpcap 1.10.5 changed SOCKET to PCAP_SOCKET, usage here is unrelated */
+#undef PCAP_SOCKET
+
 /* Upvalues for library variables */
 enum {
   NSOCK_POOL = lua_upvalueindex(1),