srogue: provide type definitions if needed.

If not defined in headers, uid_t and gid_t will be defined as
unsigned ints, and pid_t as int.

srogue/save.c

@@ -296,6 +296,6 @@ char *file, **envp;
 	strcpy(file_name, file);
 	setup();
 	restscr(cw);
-	md_srandom(getpid());
+	md_srandom(md_getpid());
 	playit();
 }