fix STM32 build

src/platform/stm32wl/littlefs/lfs.h

@@ -389,7 +389,7 @@ int lfs_file_truncate(lfs_t *lfs, lfs_file_t *file, lfs_off_t size);
 //
 // Equivalent to lfs_file_seek(lfs, file, 0, LFS_SEEK_CUR)
 // Returns the position of the file, or a negative error code on failure.
-lfs_soff_t lfs_file_tell(lfs_t *lfs, lfs_file_t *file);
+lfs_soff_t lfs_file_tell(lfs_t *lfs, const lfs_file_t *file);
 
 // Change the position of the file to the beginning of the file
 //
@@ -442,7 +442,7 @@ int lfs_dir_seek(lfs_t *lfs, lfs_dir_t *dir, lfs_off_t off);
 // sense, but does indicate the current position in the directory iteration.
 //
 // Returns the position of the directory, or a negative error code on failure.
-lfs_soff_t lfs_dir_tell(lfs_t *lfs, lfs_dir_t *dir);
+lfs_soff_t lfs_dir_tell(lfs_t *lfs, lfs_dir_t const *dir);
 
 // Change the position of the directory to the beginning of the directory
 //