Building without CONFIG_HYPERV is currently broken due to a missing
symbol 'hyperv_syndbg_query_options'.  Add it to the stubs
that exist for that very reasons.

Reported-by: Michael Tokarev <mjt@tls.msk.ru>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
---
 target/i386/kvm/hyperv-stub.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/target/i386/kvm/hyperv-stub.c b/target/i386/kvm/hyperv-stub.c
index 3263dcf05d3..5836f53c23b 100644
--- a/target/i386/kvm/hyperv-stub.c
+++ b/target/i386/kvm/hyperv-stub.c
@@ -56,3 +56,8 @@ void hyperv_x86_synic_update(X86CPU *cpu)
 void hyperv_x86_set_vmbus_recommended_features_enabled(void)
 {
 }
+
+uint64_t hyperv_syndbg_query_options(void)
+{
+    return 0;
+}
-- 
2.47.0