Use DECLARE_*CHECKER* macros

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 $ ./scripts/codeconverter/converter.py -i \
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Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Reviewed-by: Juan Quintela <quintela@redhat.com>
Message-Id: <20200831210740.126168-12-ehabkost@redhat.com>
Reviewed-by: Juan Quintela <quintela@redhat.com>
Message-Id: <20200831210740.126168-13-ehabkost@redhat.com>
Message-Id: <20200831210740.126168-14-ehabkost@redhat.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
diff --git a/hw/misc/pvpanic.c b/hw/misc/pvpanic.c
index 894c67e..598d547 100644
--- a/hw/misc/pvpanic.c
+++ b/hw/misc/pvpanic.c
@@ -31,8 +31,8 @@
 #define PVPANIC_CRASHLOADED     (1 << PVPANIC_F_CRASHLOADED)
 
 typedef struct PVPanicState PVPanicState;
-#define ISA_PVPANIC_DEVICE(obj)    \
-    OBJECT_CHECK(PVPanicState, (obj), TYPE_PVPANIC)
+DECLARE_INSTANCE_CHECKER(PVPanicState, ISA_PVPANIC_DEVICE,
+                         TYPE_PVPANIC)
 
 static void handle_event(int event)
 {