Fix typo in xen_pagetable_p2m_free(): s/Fortunatly/Fortunately
Signed-off-by: Hui Su <sh_def@163.com>
Link: https://lore.kernel.org/r/20200927172836.GA7423@rlk
[boris: reword commit message slightly]
Signed-off-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>
 
         * We could be in __ka space.
         * We roundup to the PMD, which means that if anybody at this stage is
         * using the __ka address of xen_start_info or
-        * xen_start_info->shared_info they are in going to crash. Fortunatly
+        * xen_start_info->shared_info they are in going to crash. Fortunately
         * we have already revectored in xen_setup_kernel_pagetable.
         */
        size = roundup(size, PMD_SIZE);