From 515b8ef3956c5a370c9f8974b10ecd136a6194ea Mon Sep 17 00:00:00 2001
From: Andrew Meadows <andrew@highfidelity.io>
Date: Sun, 16 Oct 2016 06:27:13 -0700
Subject: [PATCH] fix build error on windows

---
 libraries/physics/src/CharacterGhostShape.cpp | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/libraries/physics/src/CharacterGhostShape.cpp b/libraries/physics/src/CharacterGhostShape.cpp
index 156d18a22b..e5a5cb59de 100644
--- a/libraries/physics/src/CharacterGhostShape.cpp
+++ b/libraries/physics/src/CharacterGhostShape.cpp
@@ -10,6 +10,10 @@
 //
 
 #include "CharacterGhostShape.h"
+
+#include <assert.h>
+
+
 CharacterGhostShape::CharacterGhostShape(const btConvexHullShape* shape) :
         btConvexHullShape(reinterpret_cast<const btScalar*>(shape->getUnscaledPoints()), shape->getNumPoints(), sizeof(btVector3)) {
     assert(shape);