[chronojump] Fixed ffmpeg executable path on windows (2)

[Xavier de Blas <xaviblas src gnome org>]

commit 557a85c467b195f832c576d3a28ccac2316666f0
Author: Xavier de Blas <xaviblas gmail com>
Date:   Tue Sep 18 21:52:23 2018 +0200

    Fixed ffmpeg executable path on windows (2)

 src/webcamFfmpeg.cs | 3 +++
 1 file changed, 3 insertions(+)
---
diff --git a/src/webcamFfmpeg.cs b/src/webcamFfmpeg.cs
index a09df19b..0efeb721 100644
--- a/src/webcamFfmpeg.cs
+++ b/src/webcamFfmpeg.cs
@@ -225,6 +225,9 @@ public static class WebcamFfmpegGetDevicesWindows
        public static List<string> GetDevices()
        {
                string executable = "ffmpeg";
+               if(UtilAll.GetOSEnum() == UtilAll.OperatingSystems.WINDOWS)
+                       executable = System.IO.Path.Combine(Util.GetPrefixDir(), "bin/ffmpeg.exe");
+
                List<string> parameters = createParameters();
 
                ExecuteProcess.Result execute_result = ExecuteProcess.run (executable, parameters);