powerpc-utils fail to builds with GCC 15 (builds ok with GCC 14)

[ernsteiswuerfel]

This started as downstream Gentoo bug 955092.

Also get the same error when building git-master (4443a68):

 # ./autogen.sh
 # ./configure
 # make

[...]

  CC       src/nvram.o
src/nvram.c: In function 'dump_rtas_event_entry':
src/nvram.c:932:18: error: too many arguments to function 'parse_rtas_event'; expected 0, have 2
  932 |     rtas_event = parse_rtas_event(data, len);
      |                  ^~~~~~~~~~~~~~~~ ~~~~
src/nvram.c:938:5: error: too many arguments to function 'rtas_print_event'; expected 0, have 3
  938 |     rtas_print_event(stdout, rtas_event, 0);
      |     ^~~~~~~~~~~~~~~~ ~~~~~~
src/nvram.c:940:5: error: too many arguments to function 'cleanup_rtas_event'; expected 0, have 1
  940 |     cleanup_rtas_event(rtas_event);
      |     ^~~~~~~~~~~~~~~~~~ ~~~~~~~~~~
make: *** [Makefile:1077: src/nvram.o] Error 1

librtas version 2.0.6 installed on the system (Talos II, Gentoo Linux).

[hramrach]

Should be addressed with #114

[tyreld]

PR #114 has been merged.

[ernsteiswuerfel]

Should be addressed with #114

Thanks for the fix! It solves the GCC 15 build problem for me.