Fix wrong value stored at vbr

lsfs_disk_controller.h

@@ -658,7 +658,7 @@ int lsfs_disk_install_vbr(char *vbr_path)
     fread(vbr_buffer_rest, 1, (st.st_size - SECTOR_SIZE), vbr);
     
     vbr_first_sector->vbr_size_in_bytes = st.st_size;
-    vbr_first_sector->vbr_LBA_address = p_control.fsci.this_partition_offset_on_disk;
+    vbr_first_sector->vbr_LBA_address = p_control.fsci.this_partition_offset_on_disk - SPACE_VBR_RECORD;
     vbr_first_sector->vbr_LBA_FSCI_position = p_control.fsci.this_partition_offset_on_disk;
     vbr_first_sector->vbr_signature = 0x1818;