qapi: Convert set_link

Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
diff --git a/hmp.h b/hmp.h
index 8a31f87..32d7f68 100644
--- a/hmp.h
+++ b/hmp.h
@@ -41,5 +41,6 @@
 void hmp_pmemsave(Monitor *mon, const QDict *qdict);
 void hmp_cont(Monitor *mon, const QDict *qdict);
 void hmp_inject_nmi(Monitor *mon, const QDict *qdict);
+void hmp_set_link(Monitor *mon, const QDict *qdict);
 
 #endif