Build error: missing prototypes setup_disk and cleanup_disk

[oliveskur]

make KDIR=/home/user/linux-6.12.11
make -C /home/user/linux-6.12.11 M="/home/user/LiME/src" modules
make[1]: Entering directory '/home/user/linux-6.12.11'
CC [M] /home/user/LiME/src/disk.o
/home/user/LiME/src/disk.c:45:5: error: no previous prototype for ‘setup_disk’ [-Werror=missing-prototypes]
45 | int setup_disk(char *path, int dio) {
| ^~~~~~~~~~
/home/user/LiME/src/disk.c:77:6: error: no previous prototype for ‘cleanup_disk’ [-Werror=missing-prototypes]
77 | void cleanup_disk(void) {
| ^~~~~~~~~~~~
cc1: all warnings being treated as errors
make[3]: *** [scripts/Makefile.build:229: /home/user/LiME/src/disk.o] Error 1
make[2]: *** [/home/user/linux-6.12.11/Makefile:1937: /home/user/LiME/src] Error 2
make[1]: *** [Makefile:224: __sub-make] Error 2
make[1]: Leaving directory '/home/user/linux-6.12.11'
make: *** [Makefile:35: default] Error 2