qerror: Move #include out of qerror.h

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Luiz Capitulino <lcapitulino@redhat.com>
diff --git a/cpus.c b/cpus.c
index a928f49..4f0e54d 100644
--- a/cpus.c
+++ b/cpus.c
@@ -27,6 +27,7 @@
 
 #include "monitor/monitor.h"
 #include "qapi/qmp/qerror.h"
+#include "qemu/error-report.h"
 #include "sysemu/sysemu.h"
 #include "exec/gdbstub.h"
 #include "sysemu/dma.h"