--- squashfs-tools/mksquashfs.c	2007-01-16 02:33:13.000000000 +0100
+++ squashfs-tools/mksquashfs.c	2007-01-23 17:01:41.761826000 +0100
@@ -1682,6 +1682,7 @@
 			for(entry = priority_list[i]; entry; entry = entry->next)
 				reader_read_file(entry->dir);
 	}
+	return NULL;
 }
 
 
@@ -1830,7 +1831,7 @@
 	int spaces = columns - used - hashes;
 
 	if(!progress || columns - used < 0)
-		return;
+		return 0;
 
 	printf("\r[");
 
@@ -1843,6 +1844,7 @@
 	printf("] %*lld/%*lld", max_digits, current, max_digits, max);
 	printf(" %3lld%%", current * 100 / max);
 	fflush(stdout);
+	return 0;
 }