Fix 32bit build for SVM.

Signed-off-by: Anthony Liguori <anthony-rdkfGonbjUSkNkDKm+mE6A@public.gmane.org>

diff -r a14fbb59de99 kernel/kvm_main.c
--- a/kernel/kvm_main.c	Thu Feb 01 15:44:11 2007 +0000
+++ b/kernel/kvm_main.c	Fri Feb 02 16:52:23 2007 -0600
@@ -1148,6 +1148,7 @@ int kvm_hypercall(struct kvm_vcpu *vcpu,
 
 	kvm_arch_ops->decache_regs(vcpu);
 	ret = -KVM_EINVAL;
+#ifdef CONFIG_X86_64
 	if (is_long_mode(vcpu)) {
 		nr = vcpu->regs[VCPU_REGS_RAX];
 		a0 = vcpu->regs[VCPU_REGS_RDI];
@@ -1156,7 +1157,9 @@ int kvm_hypercall(struct kvm_vcpu *vcpu,
 		a3 = vcpu->regs[VCPU_REGS_RCX];
 		a4 = vcpu->regs[VCPU_REGS_R8];
 		a5 = vcpu->regs[VCPU_REGS_R9];
-	} else {
+	} else
+#endif
+	{
 		nr = vcpu->regs[VCPU_REGS_RBX] & -1u;
 		a0 = vcpu->regs[VCPU_REGS_RAX] & -1u;
 		a1 = vcpu->regs[VCPU_REGS_RCX] & -1u;