fix: mrbgems\mruby-time\src\time.c(641): warning C4244: '=': conversion from...

fix: mrbgems\mruby-time\src\time.c(641): warning C4244: '=': conversion from 'mrb_int' to 'int', possible loss of data

mrbgems/mruby-time/src/time.c

@@ -634,7 +634,7 @@ mrb_time_initialize(mrb_state *mrb, mrb_value self)
 {
   mrb_int ayear = 0, amonth = 1, aday = 1, ahour = 0,
   amin = 0, asec = 0, ausec = 0;
-  int n;
+  mrb_int n;
   struct mrb_time *tm;
 
   n = mrb_get_args(mrb, "|iiiiiii",