[libgnome-volume-control] build: fix building with -std=c99

[Cosimo Cecchi <cosimoc src gnome org>]

commit 6826d0a5fe172325cec946244d1ea6590143a03e
Author: Cosimo Cecchi <cosimoc gnome org>
Date:   Tue Jul 9 14:09:05 2013 -0700

    build: fix building with -std=c99
    
    The "uint" type is not defined for standard C, and building with
    -std=c99 enable stricter conformance and results in compilation failing.
    Use "guint" instead.

 gvc-mixer-control.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/gvc-mixer-control.c b/gvc-mixer-control.c
index a9969dd..b270523 100644
--- a/gvc-mixer-control.c
+++ b/gvc-mixer-control.c
@@ -1905,7 +1905,7 @@ create_ui_device_from_port (GvcMixerControl* control,
         direction = (is_card_port_an_output (port) == TRUE) ? UIDeviceOutput : UIDeviceInput;
 
         object = g_object_new (GVC_TYPE_MIXER_UI_DEVICE,
-                               "type", (uint)direction,
+                               "type", (guint)direction,
                                "card", card,
                                "port-name", port->port,
                                "description", port->human_port,