include/qapi: add g_autoptr support for qobject types

Need wrappers for qobject_unref() calls, which is a macro.

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20220323155743.1585078-10-marcandre.lureau@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

qobject/qbool.c

@@ -56,3 +56,8 @@ void qbool_destroy_obj(QObject *obj)
     assert(obj != NULL);
     g_free(qobject_to(QBool, obj));
 }
+
+void qbool_unref(QBool *q)
+{
+    qobject_unref(q);
+}

qobject/qdict.c

@@ -442,3 +442,8 @@ void qdict_destroy_obj(QObject *obj)
 
     g_free(qdict);
 }
+
+void qdict_unref(QDict *q)
+{
+    qobject_unref(q);
+}

qobject/qlist.c

@@ -182,3 +182,8 @@ void qlist_destroy_obj(QObject *obj)
 
     g_free(qlist);
 }
+
+void qlist_unref(QList *q)
+{
+    qobject_unref(q);
+}

qobject/qnull.c

@@ -29,3 +29,8 @@ bool qnull_is_equal(const QObject *x, const QObject *y)
 {
     return true;
 }
+
+void qnull_unref(QNull *q)
+{
+    qobject_unref(q);
+}

qobject/qnum.c

@@ -239,3 +239,8 @@ void qnum_destroy_obj(QObject *obj)
     assert(obj != NULL);
     g_free(qobject_to(QNum, obj));
 }
+
+void qnum_unref(QNum *q)
+{
+    qobject_unref(q);
+}

qobject/qstring.c

@@ -100,3 +100,8 @@ void qstring_destroy_obj(QObject *obj)
     g_free((char *)qs->string);
     g_free(qs);
 }
+
+void qstring_unref(QString *q)
+{
+    qobject_unref(q);
+}