libsndfile: fix build with gcc15

- add patch from merged upstream PR:
https://www.github.com/libsndfile/libsndfile/pull/1055

Fixes build failure with gcc15:
```
src/ALAC/alac_decoder.c:42:9: error: cannot use keyword 'false' as enumeration constant
   42 | {       false = 0,
      |         ^~~~~
src/ALAC/alac_decoder.c:42:9: note: 'false' is a keyword with '-std=c23' onwards
src/ALAC/alac_decoder.c:44:3: error: expected ';', identifier or '(' before 'bool'
   44 | } bool ;
      |   ^~~~
src/ALAC/alac_decoder.c:44:3: warning: useless type name in empty declaration
make[2]: *** [Makefile:2615: src/ALAC/alac_decoder.lo] Error 1
make[2]: *** Waiting for unfinished jobs....
src/ALAC/alac_encoder.c:49:9: error: cannot use keyword 'false' as enumeration constant
   49 |         false = 0,
      |         ^~~~~
src/ALAC/alac_encoder.c:49:9: note: 'false' is a keyword with '-std=c23' onwards
src/ALAC/alac_encoder.c:51:3: error: expected ';', identifier or '(' before 'bool'
   51 | } bool ;
      |   ^~~~
```

0 files changed, 0 insertions, 0 deletions