[chronojump] Avoids repeating the same string.

[Carles Pina i Estany <carlespina src gnome org>]

commit 487fa19e189613361fa5b30a97a9b1e7d5bd1547
Author: Carles Pina i Estany <carles pina cat>
Date:   Wed Jan 21 00:15:41 2015 +0000

    Avoids repeating the same string.

 src/json_post.cs |    6 ++++--
 1 files changed, 4 insertions(+), 2 deletions(-)
---
diff --git a/src/json_post.cs b/src/json_post.cs
index ff3937d..6eb1de2 100644
--- a/src/json_post.cs
+++ b/src/json_post.cs
@@ -36,14 +36,16 @@ public class JsonPost
 
        public bool PostCrashLog() 
        {
+        string serverUrl = "http://api.chronojump.org:8080";;
                string filePath = UtilAll.GetLogFileOld();
+
                if(! File.Exists(filePath)) {
                        this.ResultMessage = Catalog.GetString("Could not send file.\nIt does not exist.");
                        return false;
                }
 
                // Create a request using a URL that can receive a post. 
-               WebRequest request = WebRequest.Create ("http://api.chronojump.org:8080/backtrace";);
+               WebRequest request = WebRequest.Create (serverUrl + "/backtrace");
 
                // Set the Method property of the request to POST.
                request.Method = "POST";
@@ -63,7 +65,7 @@ public class JsonPost
                        dataStream = request.GetRequestStream ();
                } catch {
                        this.ResultMessage = string.Format(Catalog.GetString("Could not send file.\nYou are 
not connected to the Internet\nor {0} server is down."), 
-                                       "http://api.chronojump.org:8080";);
+                                       serverUrl);
                        return false;
                }