Backout rev1.7, as it broke adventure(6) (const'ing a non-r/o variable).

As wpaul notes, I was trying to fix something that wasn't broke.

games/adventure/setup.c

@@ -89,7 +89,7 @@ char *argv[];
 	puts(SIG1);
 	puts(SIG2);
 	puts(" */");
-	printf("\n\nconst char data_file[] =\n{");
+	printf("\n\nchar data_file[] =\n{");
 	srandom(SEED);
 	count = 0;
 	linestart = YES;