dmraid: fix build with gcc15
- add rebased patch from alpine:
https://gitlab.alpinelinux.org/alpine/aports/-/raw/dc5b3135517ede55f5e3530e538ca75048d26565/main/dmraid/008-gcc15.patch
(does not apply with `fetchpatch` even with `stripLen` and `extraPrefix`)
Fixes build failure with gcc15:
```
activate/activate.c:893:34: error: passing argument 3 of 'do_device'
from incompatible pointer type [-Wincompatible-pointer-types]
893 | return do_device(lc, rs, dm_register_for_event);
| ^~~~~~~~~~~~~~~~~~~~~
| |
| int (*)(char *, char *)
activate/activate.c:869:62: note: expected 'int (*)(void)' but argument
is of type 'int (*)(char *, char *)'
869 | do_device(struct lib_context *lc, struct raid_set *rs, int (*f) ())
| ~~~~~~^~~~~
activate/activate.c:850:1: note: 'dm_register_for_event' declared here
850 | dm_register_for_event(char *dev_name, char *lib_name)
| ^~~~~~~~~~~~~~~~~~~~~
misc/file.c:66:17: error: initialization of 'ssize_t (*)(void)'
{aka 'long int (*)(void)'} from incompatible pointer type
'ssize_t (*)(int, void *, size_t)' {aka 'long int (*)(int, void *, long unsigned int)'} [-Wincompatible-pointer-types]
66 | read, "read"}, {
| ^~~~
misc/file.c:67:9: error: initialization of 'ssize_t (*)(void)' {aka 'long int (*)(void)'}
from incompatible pointer type 'ssize_t (*)(int, const void *, size_t)'
{aka 'long int (*)(int, const void *, long unsigned int)'} [-Wincompatible-pointer-types]
67 | write, "writ"},}, *rw = rw_spec + ((flags & O_WRONLY) ? 1 : 0);
| ^~~~~
misc/file.c:67:9: note: (near initialization for 'rw_spec[1].func')
```
ghpzin
3c8da751e6