comment out gl_texture_binding_3d now, for it doesn't compile on SGI.
comment out gl_texture_binding_3d now, for it doesn't compile on SGI.


git-svn-id: c5985f3ef0877031121746ab0193754ea03aea76@38 c205566b-fb4e-0410-ab5c-8f0660156277

shirok/Gauche-gl,Hamayama/Gauche-gl,Hamayama/Gauche-gl,shirok/Gauche-gl