Fix converting C to string when passing an empty two byte string.

DiscImageChef.Helpers/StringHandlers.cs

@@ -68,9 +68,6 @@ namespace DiscImageChef
                             len++;
                             break;
                         }
-
-                        //                      if((i + 1) == CString.Length)
-                        //                            break;
                     }
                     else
                         break;
@@ -78,6 +75,8 @@ namespace DiscImageChef
                 len++;
             }
 
+            if(twoBytes && len % 2 > 0) len--;
+
             byte[] dest = new byte[len];
             Array.Copy(CString, start, dest, 0, len);