From 4ea6b2ec00a470abac00e5a62b035ca2d32ce416 Mon Sep 17 00:00:00 2001
From: Eric Wasylishen <ewasylishen@gmail.com>
Date: Thu, 19 May 2016 23:53:14 -0600
Subject: [PATCH] common: fix broken WindingPlane

---
 common/polylib.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/common/polylib.c b/common/polylib.c
index 4125ab0a..96120af5 100644
--- a/common/polylib.c
+++ b/common/polylib.c
@@ -72,8 +72,8 @@ WindingPlane(const winding_t * w, vec3_t normal, vec_t *dist)
 {
     vec3_t v1, v2;
 
-    VectorSubtract(w->p[1], w->p[0], v1);
-    VectorSubtract(w->p[2], w->p[0], v2);
+    VectorSubtract(w->p[0], w->p[1], v1);
+    VectorSubtract(w->p[2], w->p[1], v2);
     CrossProduct(v1, v2, normal);
     VectorNormalize(normal);
     *dist = DotProduct(w->p[0], normal);