message: Don't set texture data when unbinding texture (name = 0)
diff: @@ -226,7 +226,7 @@ bool WrappedOpenGL::Serialise_glBindTexture(SerialiserType &ser, GLenum target,
  {
  GL.glBindTexture(target, texture.name);
  - if(IsLoading(m_State))
  + if(IsLoading(m_State) && texture.name)
  {
  TextureData &tex = m_Textures[GetResourceManager()->GetID(texture)];
  // only set texture type if we don't have one. Otherwise refuse to re-type.
  