x86/kvm/vmx: remove unused variable in segment_base()

The pointer 'struct desc_struct *d' is unused since commit 8c2e41f7ae12
("x86/kvm/vmx: Simplify segment_base()") so let's remove it.

Signed-off-by: Jérémy Lefaure <[e-mail]>
Reviewed-by: David Hildenbrand <[e-mail]>
Signed-off-by: Radim Krčmář <[e-mail]>

arch/x86/kvm/vmx.c

···
 static unsigned long segment_base(u16 selector)
 {
 	struct desc_ptr *gdt = this_cpu_ptr(&host_gdt);
-	struct desc_struct *d;
 	struct desc_struct *table;
 	unsigned long v;