From c09eb045a1bf5f49d2c14d69076d41d60f528ccf Mon Sep 17 00:00:00 2001
From: Russ Taylor <russ@reliasolve.com>
Date: Sat, 4 Jul 2015 18:08:31 -0400
Subject: [PATCH] Explicit conversion of a quantity that should be positive to
 unsigned to avoid compiler warning.

---
 code/ACLoader.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/code/ACLoader.cpp b/code/ACLoader.cpp
index 637f51a77..5b7b6a61d 100644
--- a/code/ACLoader.cpp
+++ b/code/ACLoader.cpp
@@ -620,7 +620,7 @@ aiNode* AC3DImporter::ConvertObjectSection(Object& object,
                                     face.mIndices[i] = cur++;
 
                                     // copy vertex positions
-                                    if ((vertices - mesh->mVertices) >= mesh->mNumVertices) {
+                                    if (static_cast<unsigned>(vertices - mesh->mVertices) >= mesh->mNumVertices) {
                                         throw DeadlyImportError("AC3D: Invalid number of vertices");
                                     }
                                     *vertices = object.vertices[entry.first] + object.translation;