eliminate warning about undeclared inet_ntop

Author: Dave Dykstra

src/pacparse.c

@@ -35,6 +35,7 @@
 #include <sys/types.h>
 #include <sys/socket.h>
 #include <netdb.h>
+#include <arpa/inet.h>
 
 int pacdebug=0;
 char *progname="pacparse";