KVM: make 'lapic_timer_ops' and 'kpit_ops' static

Fix this sparse warnings:
  arch/x86/kvm/lapic.c:916:22: warning: symbol 'lapic_timer_ops' was not declared. Should it be static?
  arch/x86/kvm/i8254.c:268:22: warning: symbol 'kpit_ops' was not declared. Should it be static?
Signed-off-by: Hannes Eder <hannes@hanneseder.net>
Signed-off-by: Avi Kivity <avi@redhat.com>

arch/x86/kvm/i8254.c

@@ -265,7 +265,7 @@ static bool kpit_is_periodic(struct kvm_timer *ktimer)
 	return ps->is_periodic;
 }
 
-struct kvm_timer_ops kpit_ops = {
+static struct kvm_timer_ops kpit_ops = {
 	.is_periodic = kpit_is_periodic,
 };
 

arch/x86/kvm/lapic.c

@@ -913,7 +913,7 @@ void kvm_apic_nmi_wd_deliver(struct kvm_vcpu *vcpu)
 		kvm_apic_local_deliver(apic, APIC_LVT0);
 }
 
-struct kvm_timer_ops lapic_timer_ops = {
+static struct kvm_timer_ops lapic_timer_ops = {
 	.is_periodic = lapic_is_periodic,
 };