legitimatize

braced-groups within expressions [-Wpedantic] 199 | ({ | ^ ../subprojects/cava-0.10.2/src/output/terminal_ncurses.c:255:50: note: in expansion of macro 'pw_loop_add_signal' 99 | pw_loop_add_signal(pw_main_loop_get_loop(data.loop), SIGTERM, do_quit, &data); | ^~~~~~~~~~~~~~~~~~ /nix/store/jd6h07kk8y8pxlha2gisrzfifpscm5kq-pipewire-1.2.7-dev/include/spa-0.2/spa/utils/hook.h:199:1: warning: ISO C forbids braced-groups within expressions [-Wpedantic] 5 | ({ | ^ /nix/store/jd6h07kk8y8pxlha2gisrzfifpscm5kq-pipewire-1.2.7-dev/include/spa-0.2/spa/pod/builder.h:127:25: note: in expansion of macro 'spa_pod_parse_object' 28 | res = spa_pod_parse_object(format, | ^~~~~~~~~~~~~~~~~~~~ /nix/store/jd6h07kk8y8pxlha2gisrzfifpscm5kq-pipewire-1.2.7-dev/include/spa-0.2/spa/param/audio/flac-utils.h: In function 'spa_format_audio_aac_parse': /nix/store/jd6h07kk8y8pxlha2gisrzfifpscm5kq-pipewire-1.2.7-dev/include/spa-0.2/spa/pod/parser.h:531:1: warning: ISO C forbids braced-groups within expressions [-Wpedantic] 166 | ({ | ^ /nix/store/jd6h07kk8y8pxlha2gisrzfifpscm5kq-pipewire-1.2.7-dev/include/spa-0.2/spa/pod/parser.h:556:9: note: in expansion of macro 'SPA_FLAG_CLEAR' 210 | SPA_FLAG_CLEAR(builder->state.flags, SPA_POD_BUILDER_FLAG_FIRST); | ^~~~~~~~~~~~~~ /nix/store/jd6h07kk8y8pxlha2gisrzfifpscm5kq-pipewire-1.2.7-dev/include/pipewire-0.3/pipewire/core.h:361:16: note: in expansion of macro 'pw_logt' 168 | pw_log_logt(lev,topic,__FILE__,__LINE__,__func__,__VA_ARGS__); | ^~~~~~~~~~~ ../subprojects/cava-0.10.2/src/input/pipewire.c: In function 'spa_latency_build': /nix/store/jd6h07kk8y8pxlha2gisrzfifpscm5kq-pipewire-1.2.7-dev/include/spa-0.2/spa/pod/builder.h:634:1: warning: ISO C forbids braced-groups within expressions [-Wpedantic] 553 | ({ | ^ ../subprojects/cava-0.10.2/include/cava/util.h:7:29: note: in expansion of