adopt for kernel 6.15

### Distribution Fedora 42 ### Architecture amd64 ### Kernel version 6.15.6-200.fc42.x86_64 ### Blksnap version 6.3.2.1207 ### Bug description [make.log](https://github.com/user-attachments/files/21333030/make.log) ### Steps to reproduce dkms install blksnap/6.3.2.1207 ### Expected behavior _No response_ ### Additional information _No response_