Add @(require_results) to core:math/rand

core/math/rand/exp.odin

@@ -15,6 +15,7 @@ import "core:math"
 //    https://www.jstatsoft.org/index.php/jss/article/view/v005i08/ziggurat.pdf [pdf]
 //    https://www.jstatsoft.org/article/view/v005i08 [web page]
 //
+@(require_results)
 exp_float64 :: proc(r: ^Rand = nil) -> f64 {
 	re :: 7.69711747013104972