* win32/win32.c: restore a license comment accidentally removed at r50381.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@50384 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

win32/win32.c

@@ -5519,10 +5519,12 @@ rb_w32_times(struct tms *tmbuf)
     return 0;
 }
 
+
+/* License: Ruby's */
 #define yield_once() Sleep(0)
 #define yield_until(condition) do yield_once(); while (!(condition))
 
-
+/* License: Ruby's */
 struct asynchronous_arg_t {
     /* output field */
     void* stackaddr;