[PATCH] drop extra args to rb_funcall

[Eric Wong <e@80x24.org>]

This was harmless in Ruby 2.4, but Ruby 2.5 with newer versions
of clang are not happy about it.  Eventually this may be fixed
in Ruby 2.5.1: https://bugs.ruby-lang.org/issues/14425
---
 ext/posix_mq/posix_mq.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/ext/posix_mq/posix_mq.c b/ext/posix_mq/posix_mq.c
index 4ba7d7c..6a5439b 100644
--- a/ext/posix_mq/posix_mq.c
+++ b/ext/posix_mq/posix_mq.c
@@ -907,7 +907,7 @@ static int lookup_sig(VALUE sig)
 	if (!list) {
 		VALUE mSignal = rb_const_get(rb_cObject, rb_intern("Signal"));
 
-		list = rb_funcall(mSignal, rb_intern("list"), 0, 0);
+		list = rb_funcall(mSignal, rb_intern("list"), 0);
 		rb_obj_freeze(list);
 		rb_global_variable(&list);
 	}
@@ -961,7 +961,7 @@ static void lower_stack_size(pthread_attr_t *attr)
 /* :nodoc: */
 static VALUE setnotify_exec(VALUE self, VALUE io, VALUE thr)
 {
-	int fd = NUM2INT(rb_funcall(io, id_fileno, 0, 0));
+	int fd = NUM2INT(rb_funcall(io, id_fileno, 0));
 	struct posix_mq *mq = get(self, 1);
 	struct sigevent not;
 	pthread_attr_t attr;
@@ -979,7 +979,7 @@ static VALUE setnotify_exec(VALUE self, VALUE io, VALUE thr)
 	not.sigev_value.sival_int = fd;
 
 	if (!NIL_P(mq->thread))
-		rb_funcall(mq->thread, id_kill, 0, 0);
+		rb_funcall(mq->thread, id_kill, 0);
 	mq->thread = thr;
 
 	my_mq_notify(mq->des, &not);
@@ -993,7 +993,7 @@ static VALUE notify_cleanup(VALUE self)
 	struct posix_mq *mq = get(self, 1);
 
 	if (!NIL_P(mq->thread)) {
-		rb_funcall(mq->thread, id_kill, 0, 0);
+		rb_funcall(mq->thread, id_kill, 0);
 		mq->thread = Qnil;
 	}
 	return Qnil;
-- 
EW