[chronojump] executeProcess.RunAtBackground passes process as reference

[Xavier de Blas <xaviblas src gnome org>]

commit 891643c74771e733bffcd9c27c5290ca612eb4fb
Author: Xavier de Blas <xaviblas gmail com>
Date:   Mon Oct 15 19:59:21 2018 +0200

    executeProcess.RunAtBackground passes process as reference

 src/executeProcess.cs | 2 +-
 src/webcamFfmpeg.cs   | 2 +-
 src/webcamMplayer.cs  | 4 ++--
 3 files changed, 4 insertions(+), 4 deletions(-)
---
diff --git a/src/executeProcess.cs b/src/executeProcess.cs
index 2c3443a5..49b9e620 100644
--- a/src/executeProcess.cs
+++ b/src/executeProcess.cs
@@ -136,7 +136,7 @@ class ExecuteProcess
         * don't call WaitForExit(), kill it on Chronojump exit
         * returns false if there are problems calling it
         */
-       public static bool RunAtBackground(Process process, string file_name, List<string> parameters, bool 
redirectInput)
+       public static bool RunAtBackground(ref Process process, string file_name, List<string> parameters, 
bool redirectInput)
        {
                ProcessStartInfo processStartInfo = new ProcessStartInfo();
 
diff --git a/src/webcamFfmpeg.cs b/src/webcamFfmpeg.cs
index a7ad2cc2..7ebeaf31 100644
--- a/src/webcamFfmpeg.cs
+++ b/src/webcamFfmpeg.cs
@@ -72,7 +72,7 @@ public class WebcamFfmpeg : Webcam
                process = new Process();
                List<string> parameters = createParametersOnlyCapture();
                //List<string> parameters = createParametersCaptureAndDelayedView();
-               bool success = ExecuteProcess.RunAtBackground (process, captureExecutable, parameters, true); 
//redirectInput
+               bool success = ExecuteProcess.RunAtBackground (ref process, captureExecutable, parameters, 
true); //redirectInput
                if(! success)
                {
                        streamWriter = null;
diff --git a/src/webcamMplayer.cs b/src/webcamMplayer.cs
index ba09d304..11d49e41 100644
--- a/src/webcamMplayer.cs
+++ b/src/webcamMplayer.cs
@@ -71,7 +71,7 @@ public class WebcamMplayer : Webcam
                parameters.Insert (i ++, "screenshot=" + 
Util.GetMplayerPhotoTempFileNamePre(videoDeviceToFilename()));
 
                process = new Process();
-               bool success = ExecuteProcess.RunAtBackground (process, captureExecutable, parameters, true); 
//redirectInput
+               bool success = ExecuteProcess.RunAtBackground (ref process, captureExecutable, parameters, 
true); //redirectInput
                if(! success)
                {
                        streamWriter = null;
@@ -118,7 +118,7 @@ public class WebcamMplayer : Webcam
 
 
                process = new Process();
-               bool success = ExecuteProcess.RunAtBackground (process, executable, parameters, false);
+               bool success = ExecuteProcess.RunAtBackground (ref process, executable, parameters, false);
                if(! success)
                {
                        process = null;