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

core/cross/stream_bank.h

 /*
  * 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 125 matching lines @@
 
     virtual void CopyDataFromParam(Param* source_param) {
       // do nothing.
     }
 
     virtual void OnAfterBindInput() {
       ++master_->number_binds_;
     }
 
     virtual void OnAfterUnbindInput(Param* old_source) {
-      master_->number_binds_;
+      --master_->number_binds_;
     }
 
    private:
     StreamBank* master_;
     DISALLOW_COPY_AND_ASSIGN(SlaveParamVertexBufferStream);
   };
 
   // Called after the a stream as been added or removed.
   // Overridden in derived classes that need to know when a stream has been
   // added or removed.
@@ skipping 31 matching lines @@
  private:
   friend class IClassManager;
   static ObjectBase::Ref Create(ServiceLocator* service_locator);
 
   O3D_DECL_CLASS(ParamStreamBank, RefParamBase)
 };
 
 }  // namespace o3d
 
 #endif  // O3D_CORE_CROSS_STREAM_BANK_H_