KVM: Move #endif KVM_CAP_IRQ_ROUTING to correct place

The symbol only controls irq routing, not MSI-X.
Signed-off-by: Avi Kivity <avi@redhat.com>

virt/kvm/kvm_main.c

@@ -2236,6 +2236,7 @@ static long kvm_vm_ioctl(struct file *filp,
 		vfree(entries);
 		break;
 	}
+#endif /* KVM_CAP_IRQ_ROUTING */
 #ifdef __KVM_HAVE_MSIX
 	case KVM_ASSIGN_SET_MSIX_NR: {
 		struct kvm_assigned_msix_nr entry_nr;
@@ -2258,7 +2259,6 @@ static long kvm_vm_ioctl(struct file *filp,
 		break;
 	}
 #endif
-#endif /* KVM_CAP_IRQ_ROUTING */
 	case KVM_IRQFD: {
 		struct kvm_irqfd data;