Fixed cannot use int64(len(slice)) (value of type int64) as Long value in argument to RbAryNewCapa

Author: sue445

ruby/wrapper.go

@@ -139,7 +139,7 @@ func int2Bool(i C.int) bool {
 
 // Slice2rbAry convert from Go slice to rb_ary
 func Slice2rbAry(slice []VALUE) VALUE {
-	rbAry := RbAryNewCapa(int64(len(slice)))
+	rbAry := RbAryNewCapa(Long(len(slice)))
 
 	for _, v := range slice {
 		RbAryPush(rbAry, v)