Raise version number

Author: Lineflyer

send2cgeo.user.js

@@ -16,7 +16,7 @@
 // @downloadURL    https://github.com/cgeo/send2cgeo/raw/release/send2cgeo.user.js
 // @updateURL      https://github.com/cgeo/send2cgeo/raw/release/send2cgeo.user.js
 // @supportURL     https://github.com/cgeo/send2cgeo/issues
-// @version        0.50
+// @version        0.51
 // ==/UserScript==
 
 // Function that handles the actual sending