[chronojump-server] Fixes "typo"

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

commit fd28ab2f4df319e3fe2033e1c063f6de36c3ba85
Author: Carles Pina i Estany <carles pina cat>
Date:   Wed Feb 11 23:32:35 2015 +0000

    Fixes "typo"

 main.py |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/main.py b/main.py
index 710330f..26e6a34 100755
--- a/main.py
+++ b/main.py
@@ -81,8 +81,8 @@ def ping():
     """chronojump client sends a ping"""
     content = request.get_json()
 
-    cj_version = content.get('version', 'unknown')
-    os_version = content.get('version', 'linux')
+    cj_version = content.get('cj_version', 'unknown')
+    os_version = content.get('os_version', 'linux')
     ip = request.remote_addr
 
     (con, cur) = connect_db()