From 71ebefbbd74e7956ad5cb690b8db240b19dcda26 Mon Sep 17 00:00:00 2001
From: smatz <smatz@openttd.org>
Date: Wed, 16 Apr 2008 19:36:30 +0000
Subject: (svn r12738) -Fix (r12736): some sprites could be left unsorted

---
 src/viewport.cpp | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/src/viewport.cpp b/src/viewport.cpp
index b724c60a5..7d6b22ac6 100644
--- a/src/viewport.cpp
+++ b/src/viewport.cpp
@@ -1337,10 +1337,13 @@ static void ViewportDrawTileSprites(const TileSpriteToDrawVector *tstdv)
 
 static void ViewportSortParentSprites(ParentSpriteToDraw *psd[])
 {
-	for (; *psd != NULL; psd++) {
+	while (*psd != NULL) {
 		ParentSpriteToDraw *ps = *psd;
 
-		if (ps->comparison_done) continue;
+		if (ps->comparison_done) {
+			psd++;
+			continue;
+		}
 
 		ps->comparison_done = true;
 
-- 
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