gc.c: use RUBY_DEFAULT_FREE instead of open-coded constant

Improves readability and makes future changes easier

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@63486 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 1 insertions, 1 deletions

diff --git a/gc.c b/gc.c
index 7518754ae5..4ebae169ec 100644
--- a/gc.c
+++ b/gc.c
@@ -2978,7 +2978,7 @@ rb_objspace_call_finalizer(rb_objspace_t *objspace)
 		if (RTYPEDDATA_P(p)) {
 		    RDATA(p)->dfree = RANY(p)->as.typeddata.type->function.dfree;
 		}
-		if (RANY(p)->as.data.dfree == (RUBY_DATA_FUNC)-1) {
+		if (RANY(p)->as.data.dfree == RUBY_DEFAULT_FREE) {
 		    xfree(DATA_PTR(p));
 		}
 		else if (RANY(p)->as.data.dfree) {