t/sdl_test: sdl-test needs OpenGL4.5
sdl-test uses some OpenGL4.5 features, such as Texture Objects.
Currently, sdl-test is initialized with an OpenGL3.3 context, and with a NVidia driver (version 535.98, on Linux), the call to those features (glCreateTextures() being the first of them) segfaults.
Edited by samuel degrande