Use BB_FEATURE_CLEAN_UP where appropriate

-Erik

util-linux/fsck_minix.c

@@ -1319,7 +1319,7 @@ static void alloc_name_list(void)
 		name_list[i] = xmalloc(sizeof(char) * BUFSIZ + 1);
 }
 
-#if 0
+#ifdef BB_FEATURE_CLEAN_UP
 /* execute this atexit() to deallocate name_list[] */
 /* piptigger was here */
 static void free_name_list(void)
@@ -1344,9 +1344,11 @@ extern int fsck_minix_main(int argc, char **argv)
 	int retcode = 0;
 
 	alloc_name_list();
+#ifdef BB_FEATURE_CLEAN_UP
 	/* Don't bother to free memory.  Exit does
 	 * that automagically, so we can save a few bytes */
-	//atexit(free_name_list);
+	atexit(free_name_list);
+#endif
 
 	if (INODE_SIZE * MINIX_INODES_PER_BLOCK != BLOCK_SIZE)
 		die("bad inode size");

util-linux/mount.c

@@ -347,9 +347,9 @@ extern int mount_main(int argc, char **argv)
 					mntentlist[i].mnt_opts, mntentlist[i].mnt_freq, 
 					mntentlist[i].mnt_passno);
 		}
+#ifdef BB_FEATURE_CLEAN_UP
 		/* Don't bother to close files or free memory.  Exit 
 		 * does that automagically, so we can save a few bytes */
-#if 0
 		free( mntentlist);
 		close(fd);
 #endif

util-linux/umount.c

@@ -142,7 +142,7 @@ char *mtab_next(void **iter)
 
 /* Don't bother to clean up, since exit() does that 
  * automagically, so we can save a few bytes */
-#if 0
+#ifdef BB_FEATURE_CLEAN_UP
 void mtab_free(void)
 {
 	struct _mtab_entry_t *this, *next;
@@ -235,6 +235,9 @@ extern int umount_main(int argc, char **argv)
 	if (argc < 2) {
 		usage(umount_usage);
 	}
+#ifdef BB_FEATURE_CLEAN_UP
+	atexit(mtab_free);
+#endif
 
 	/* Parse any options */
 	while (--argc > 0 && **(++argv) == '-') {