[libgnome-volume-control/wip/muktupavels/warnings: 2/3] mixer-card: fix cast-function-type warning

[Alberts Muktupāvels <muktupavels src gnome org>]

commit f8b8e2d64f085a184959b9accd339af59022db26
Author: Alberts Muktupāvels <alberts muktupavels gmail com>
Date:   Sat Sep 8 23:58:21 2018 +0300

    mixer-card: fix cast-function-type warning

 gvc-mixer-card.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)
---
diff --git a/gvc-mixer-card.c b/gvc-mixer-card.c
index ba31ab2..645a156 100644
--- a/gvc-mixer-card.c
+++ b/gvc-mixer-card.c
@@ -529,7 +529,8 @@ gvc_mixer_card_new (pa_context *context,
 }
 
 static void
-free_profile (GvcMixerCardProfile *p)
+free_profile (GvcMixerCardProfile *p,
+              gpointer             user_data)
 {
         g_free (p->profile);
         g_free (p->human_profile);