Unbind the array and element array buffers when done.

Not doing so wreaked havoc on my 2d rendering (what's he doing here, and
why's he messing with my redering? ;)

libs/models/alias/glsl_model_alias.c

@@ -182,6 +182,8 @@ Mod_MakeAliasModelDisplayLists (model_t *m, aliashdr_t *hdr, void *_m, int _s,
 					GL_STATIC_DRAW);
 
 	// all done
+	qfglBindBuffer (GL_ARRAY_BUFFER, 0);
+	qfglBindBuffer (GL_ELEMENT_ARRAY_BUFFER, 0);
 	free (verts);
 	free (indices);
 }