Update bison to rev 48 via SR 775252
    
    https://build.opensuse.org/request/show/775252
    by user pluskalm + dimstar_suse
    - Update to version 3.5.2:
      * Portability issues and minor cosmetic issues.
      * The lalr1.cc skeleton properly rejects unsupported values for
        parse.lac (as yacc.c does).