Fix "error: declaration of 'gVars' has a different language linkage"
--- sancp.cc.orig	2007-07-05 11:12:20.000000000 -0500
+++ sancp.cc	2020-08-20 04:44:23.000000000 -0500
@@ -54,7 +54,6 @@
  *************/
 
 int main(int argc, char *argv[]) {
-	extern struct gvars gVars;
 	int cKey;
 	pid_t pid=0;
 
@@ -274,7 +273,6 @@
 
 extern "C" void ProcessMyPacket(char *user, struct pcap_pkthdr * pkthdr, u_char * pkt)
 {
-	extern struct gvars gVars;
 	CBuffer *buffer;
 	struct cnx *new_cnx=0;
         gVars.timeptr.tv_sec=pkthdr->ts.tv_sec;