KVM: s390: Fix build failure due to centralized vcpu locking patches

This patch fixes
ERROR: "__kvm_s390_vcpu_store_status" [arch/s390/kvm/kvm.ko] undefined!

triggered by
commit 3268c56840dcee78c3e928336550f4e1861504c4 (kvm.git)
Author: Avi Kivity <avi@redhat.com>
Date:   Thu May 13 12:21:46 2010 +0300
    KVM: s390: Centrally lock arch specific vcpu ioctls

Reported-by: Sachin Sant <sachinp@in.ibm.com>
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
diff --git a/arch/s390/kvm/intercept.c b/arch/s390/kvm/intercept.c
index 3ddc308..f7b6df4 100644
--- a/arch/s390/kvm/intercept.c
+++ b/arch/s390/kvm/intercept.c
@@ -135,7 +135,7 @@
 	spin_lock_bh(&vcpu->arch.local_int.lock);
 	if (vcpu->arch.local_int.action_bits & ACTION_STORE_ON_STOP) {
 		vcpu->arch.local_int.action_bits &= ~ACTION_STORE_ON_STOP;
-		rc = __kvm_s390_vcpu_store_status(vcpu,
+		rc = kvm_s390_vcpu_store_status(vcpu,
 						  KVM_S390_STORE_STATUS_NOADDR);
 		if (rc >= 0)
 			rc = -EOPNOTSUPP;