[PATCH 4/5] x86/p2m: drop pointless nested variable from guest_physmap_add_entry()

[Jan Beulich <jbeulich@xxxxxxxx>]

There's an outer scope rc already, and its use for the mem-sharing logic
does not conflict with its use elsewhere in the function.

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

--- a/xen/arch/x86/mm/p2m.c
+++ b/xen/arch/x86/mm/p2m.c
@@ -905,7 +905,6 @@ guest_physmap_add_entry(struct domain *d
         if ( p2m_is_shared(ot) )
         {
             /* Do an unshare to cleanly take care of all corner cases. */
-            int rc;
             rc = mem_sharing_unshare_page(p2m->domain, gfn_x(gfn_add(gfn, i)));
             if ( rc )
             {