[PATCH] hw/xen/xen_pt: fix missing include

[Pierrick Bouvier <pierrick.bouvier@xxxxxxxxxx>]

FAILED: libqemu-i386-softmmu.a.p/hw_xen_xen_pt.c.o
...
/home/user/.work/qemu/hw/xen/xen_pt.c: In function ‘xen_pt_need_gsi’:
/home/user/.work/qemu/hw/xen/xen_pt.c:783:9: error: implicit declaration of 
function ‘error_report’; did you mean ‘error_report_err’? 
[-Wimplicit-function-declaration]
  783 |         error_report("Cannot open %s: %s", guest_type, strerror(errno));
      |         ^~~~~~~~~~~~
      |         error_report_err
/home/user/.work/qemu/hw/xen/xen_pt.c:783:9: error: nested extern declaration 
of ‘error_report’ [-Werror=nested-externs]
cc1: all warnings being treated as errors

Fixes: 012842c ("log: make '-msg timestamp=on' apply to all qemu_log usage")
Signed-off-by: Pierrick Bouvier <pierrick.bouvier@xxxxxxxxxx>
---
 hw/xen/xen_pt.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/hw/xen/xen_pt.c b/hw/xen/xen_pt.c
index 9d16644d82e..006b5b55f24 100644
--- a/hw/xen/xen_pt.c
+++ b/hw/xen/xen_pt.c
@@ -54,6 +54,7 @@
 
 #include "qemu/osdep.h"
 #include "qapi/error.h"
+#include "qemu/error-report.h"
 #include <sys/ioctl.h>
 
 #include "hw/pci/pci.h"
-- 
2.47.2