Ensure the ZZZZ magic word is reproducible.

This happens by making the SEED command also regenerate the magic word.

main.c

@@ -160,6 +160,8 @@ static bool fallback_handler(signed char *buf)
     if (sscanf(buf, "seed %ld", &sv) == 1) {
 	set_seed(sv);
 	printf("Seed set to %ld\n", sv);
+	// here we reconfigure any global game state that uses random numbers
+	ZZWORD=RNDVOC(3,0)+MESH*2;
 	return true;
     }
     return false;

tests/dwarf.chk

@@ -7,8 +7,8 @@ You are standing at the end of a road before a small brick building.
 Around you is a forest.  A small stream flows out of the building and 
 down a gully.  
 
-> seed 1495752222
-Seed set to 1495752222
+> seed 1494912171
+Seed set to 1494912171
 
 You're in front of building.  
 

tests/dwarf.log

@@ -1,6 +1,6 @@
 ## Death by dwarf.
 n
-seed 1495752222
+seed 1494912171
 in
 take keys
 take lamp