Merge branch 'NetHack-3.6'

include/sys.h

@@ -17,6 +17,9 @@ struct sysopt {
     char *debugfiles; /* files to show debugplines in. '*' is all. */
 #ifdef DUMPLOG
     char *dumplogfile; /* where the dump file is saved */
+#endif
+#ifdef WIN32
+    char *portable_device_top;  /* nethack configuration for a portable drive */
 #endif
     int env_dbgfl;    /*  1: debugfiles comes from getenv("DEBUGFILES")
                        *     so sysconf's DEBUGFILES shouldn't override it;