[longomatch] Use our own function to detect the running platform.

[Andoni Morales Alastruey <amorales src gnome org>]

commit d95b9a5396d71bcbef25d2ca8afa653342bc4035
Author: Josep Torra <n770galaxy gmail com>
Date:   Fri Apr 24 13:12:36 2015 +0200

    Use our own function to detect the running platform.

 LongoMatch.Multimedia/Utils/Devices.cs |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/LongoMatch.Multimedia/Utils/Devices.cs b/LongoMatch.Multimedia/Utils/Devices.cs
index b033307..a152a9e 100644
--- a/LongoMatch.Multimedia/Utils/Devices.cs
+++ b/LongoMatch.Multimedia/Utils/Devices.cs
@@ -49,9 +49,9 @@ namespace LongoMatch.Multimedia.Utils
                static public List<Device> ListVideoDevices ()
                {
                        string[] devices;
-                       if (Environment.OSVersion.Platform == PlatformID.MacOSX)
+                       if (LongoMatch.Core.Common.Utils.RunningPlatform () == PlatformID.MacOSX)
                                devices = devices_osx;
-                       else if (Environment.OSVersion.Platform == PlatformID.Win32NT)
+                       else if (LongoMatch.Core.Common.Utils.RunningPlatform () == PlatformID.Win32NT)
                                devices = devices_win;
                        else
                                devices = devices_lin;