clogger.c: comment to explain the lack of GC guard

If I (the person who wrote this) spent a minute figuring out why
it wasn't needed, somebody else might, too.  Save someone else
a minute.

1 files changed, 1 insertions, 0 deletions

diff --git a/ext/clogger_ext/clogger.c b/ext/clogger_ext/clogger.c
index f29cf26..83ce76a 100644
--- a/ext/clogger_ext/clogger.c
+++ b/ext/clogger_ext/clogger.c
@@ -682,6 +682,7 @@ static VALUE cwrite(struct clogger *c)
 
         if (c->fd >= 0) {
                 write_full(c->fd, RSTRING_PTR(dst), RSTRING_LEN(dst));
+                /* no need for RB_GC_GUARD(dst) here, marked as c->log_buf */
         } else {
                 VALUE logger = c->logger;