Update axel to version 2.17.13 / rev 13 via SR 1158903
    
    https://build.opensuse.org/request/show/1158903
    by user dirkmueller + anag+factory
    - update to 2.17.13:
      * abuf: Fix realloc usage
      * configure: Fix handling of --with-ssl
      * random: Initialize fd at startup
      * Fixed a wrong translation for Turkish
      * Implemented early redirect loop detection
      * Added LGTM.com support
      * Buildsystem improvements
      * Added wolfSSL support
      * Fixed potential int overflow
      * Simplified configuration support code
      * Early redirect loop detection improvements
      * Fixed speed-limiting sleep delay overflow
      * Removed HTTP encoding of URLs on the CLI, should be pre-
        encoded
    
    - update to 2.17.9: