[chronojump] Minor fix

[Xavier de Blas <xaviblas src gnome org>]

commit 61932c688ff95291ea1ad55de6eaa8f483488551
Author: Xavier de Blas <xaviblas gmail com>
Date:   Mon Mar 23 21:50:47 2015 +0100

    Minor fix

 src/utilAll.cs |    7 ++++---
 1 files changed, 4 insertions(+), 3 deletions(-)
---
diff --git a/src/utilAll.cs b/src/utilAll.cs
index 7739181..39296fa 100644
--- a/src/utilAll.cs
+++ b/src/utilAll.cs
@@ -49,12 +49,13 @@ public class UtilAll
        
        public static string GetOS() {
                OperatingSystem os = Environment.OSVersion;
+               string platform = os.Platform.ToString();
 
                //detect a Mac that seems an Unix
-               if(os.Platform == "Unix" && GetOSEnum == OperatingSystems.MACOSX)
-                       os.Platform = "Unix (MacOSX)";
+               if(platform == "Unix" && GetOSEnum() == OperatingSystems.MACOSX)
+                       platform = "Unix (MacOSX)";
 
-               string osString =  string.Format("{0}, {1}", os.Platform, os.Version);
+               string osString =  string.Format("{0}, {1}", platform, os.Version);
                LogB.Information("GetOS: " + osString);
                return osString;
        }