Fix an assortment of compiler warnings.

A few potential bugs were removed in the process.  Much code cleanup
remains to be done.

srogue/main.c

@@ -47,7 +47,8 @@ main(int argc, char *argv[], char *envp[])
 	register char *env;
 	register struct linked_list *item;
 	register struct object *obj;
-	char alldone, wpt;
+	char alldone;
+	int wpt;
 	char *getpass(), *xcrypt(), *strrchr();
 	char *homedir = roguehome();