This fixes a number of things that are warnings in the Mac compiler....

core/cross/skin.cc

 /*
  * Copyright 2009, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
@@ skipping 30 matching lines @@
 namespace o3d {
 
 O3D_DEFN_CLASS(Skin, NamedObject);
 O3D_DEFN_CLASS(ParamSkin, RefParamBase);
 O3D_DEFN_CLASS(SkinEval, VertexSource);
 
 const char *Skin::kSerializationID = "SKIN";
 
 Skin::Skin(ServiceLocator* service_locator)
     : NamedObject(service_locator),
-      weak_pointer_manager_(this),
       highest_matrix_index_(0),
       highest_influences_(0),
-      info_valid_(false) {
+      info_valid_(false),
+      weak_pointer_manager_(this) {
 }
 
 const Skin::Influences* Skin::GetVertexInfluences(unsigned vertex_index) const {
   return (vertex_index < influences_array_.size()) ?
       &influences_array_[vertex_index] : NULL;
 }
 
 void Skin::SetVertexInfluences(unsigned vertex_index,
                                const Skin::Influences& influences) {
   if (influences_array_.size() <= vertex_index) {
@@ skipping 42 matching lines @@
     inverse_bind_pose_matrices_.resize(index + 1, Matrix4::identity());
   }
   inverse_bind_pose_matrices_[index] = matrix;
 }
 
 ObjectBase::Ref Skin::Create(ServiceLocator* service_locator) {
   return ObjectBase::Ref(new Skin(service_locator));
 }
 
 SkinEval::StreamInfo::StreamInfo()
-    : data_(NULL),
-      buffer_(NULL),
-      values_(NULL),
-      stride_(0),
-      compute_function_(NULL),
-      copy_function_(NULL) {
+  : compute_function_(NULL),
+    copy_function_(NULL),
+    data_(NULL),
+    buffer_(NULL),
+    values_(NULL),
+    stride_(0) {
 }
 
 namespace {
 
 void ComputeFloat3AsVector3(float* destination,
                             const float* source,
                             const Matrix4& matrix) {
   Vector4 result(matrix * Vector3(source[0], source[1], source[2]));
   destination[0] = result.getElem(0);
   destination[1] = result.getElem(1);
@@ skipping 507 matching lines @@
   const uint8 *data = raw_data->GetDataAs<uint8>(offset);
   if (!data) {
     return false;
   }
 
   MemoryReadStream stream(data, length);
   return LoadFromBinaryData(&stream);
 }
 
 }  // namespace o3d