arb_draw_buffers_blend: Fix deprecated-non-prototype warnings
tests/spec/arb_draw_buffers_blend/state_set_get.c:91:12: warning: passing arguments to a function without a prototype is deprecated in all versions of C and is not supported in C23 [-Wdeprecated-non-prototype]
91 | glEndList(list);
| ^
tests/spec/arb_draw_buffers_blend/state_set_get.c:136:12: warning: passing arguments to a function without a prototype is deprecated in all versions of C and is not supported in C23 [-Wdeprecated-non-prototype]
136 | glEndList(list);
| ^
Fixes:
0fb057c06ddc ("Add new arb_draw_buffers_blend-state_set_get test")
Signed-off-by: Vinson Lee <vlee@freedesktop.org>
Reviewed-by: Erik Faye-Lund <erik.faye-lund@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/piglit/-/merge_requests/906>