qerror: Extend QERR_DEVICE_ENCRYPTED

Include the name of the encrypted file.

Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
diff --git a/qerror.h b/qerror.h
index efda232..27800fe 100644
--- a/qerror.h
+++ b/qerror.h
@@ -70,7 +70,7 @@
     "{ 'class': 'CommandDisabled', 'data': { 'name': %s } }"
 
 #define QERR_DEVICE_ENCRYPTED \
-    "{ 'class': 'DeviceEncrypted', 'data': { 'device': %s } }"
+    "{ 'class': 'DeviceEncrypted', 'data': { 'device': %s, 'filename': %s } }"
 
 #define QERR_DEVICE_INIT_FAILED \
     "{ 'class': 'DeviceInitFailed', 'data': { 'device': %s } }"