stubdom: fix munmap's update_va_mapping flag passing, thus fixing INVLPG passing
stubdom: fix munmap's update_va_mapping flag passing, thus fixing
INVLPG passing

Signed-off-by: Samuel Thibault <49a5ed162141aa1a2ad45c2f70540ac844521912@eu.citrix.com>

rowhit/xen-minios,rowhit/xen-minios,rowhit/xen-minios