marauder: Enable opengl 3.2 core

opengl_3_2.diff

diff --git a/src/visualizer/visualizer.rs b/src/visualizer/visualizer.rs
index 17f1d22..c31ea16 100644
--- a/src/visualizer/visualizer.rs
+++ b/src/visualizer/visualizer.rs
@@ -188,6 +188,11 @@ impl<'a> Visualizer<'a> {
             "Marauder",
             glfw::Windowed
         ).unwrap();
+        {
+            glfw.window_hint(glfw::ContextVersion(3, 2));
+            glfw.window_hint(glfw::OpenglForwardCompat(true));
+            glfw.window_hint(glfw::OpenglProfile(glfw::OpenGlCoreProfile));
+        }
         glfw.make_context_current(Some(&win));
         win.set_all_polling(true);
         mgl::load_gl_funcs_with(|procname| glfw.get_proc_address(procname));