x86: call unmap_vcpu_info() regardless of guest type

This fixes a regression from 63753b3e ("x86: allow
VCPUOP_register_vcpu_info to work again on PVHVM guests").

Signed-off-by: Jan Beulich <jbeulich@xxxxxxxx>

--- a/xen/arch/x86/domain.c
+++ b/xen/arch/x86/domain.c
@@ -2013,7 +2013,11 @@ int domain_relinquish_resources(struct d
 
         /* Drop the in-use references to page-table bases. */
         for_each_vcpu ( d, v )
+        {
             vcpu_destroy_pagetables(v);
+
+            unmap_vcpu_info(v);
+        }
 
         if ( !is_hvm_domain(d) )
         {
@@ -2025,8 +2029,6 @@ int domain_relinquish_resources(struct d
                  * mappings.
                  */
                 destroy_gdt(v);
-
-                unmap_vcpu_info(v);
             }
 
             if ( d->arch.pv_domain.pirq_eoi_map != NULL )