KVM: x86 emulator: constify emulate_ops

We never change emulate_ops[] at runtime so it should be r/o.

Signed-off-by: Mathias Krause <minipli@googlemail.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index 20f2266..0dc066f 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -4323,7 +4323,7 @@
 	kvm_register_write(emul_to_vcpu(ctxt), reg, val);
 }
 
-static struct x86_emulate_ops emulate_ops = {
+static const struct x86_emulate_ops emulate_ops = {
 	.read_gpr            = emulator_read_gpr,
 	.write_gpr           = emulator_write_gpr,
 	.read_std            = kvm_read_guest_virt_system,