Fixed 3D texture displays on Cmgui. A bug in the gfx_modify_texture function causing the texture size to be set incorrectly.
Fixed 3D texture displays on Cmgui. A bug in the gfx_modify_texture function causing the texture size to be set incorrectly.

https://tracker.physiomeproject.org/show_bug.cgi?id=3260

cmiss/cmgui,cmiss/cmgui