qga/qapi-schema: Fix guest-set-memory-blocks documentation

Documentation claims the command can "return NULL".  "NULL" doesn't
exist in JSON.  "null" does, but the command returns lists, and null
isn't.  Correct documentation to "return an empty list".

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-ID: <20240227113921.236097-13-armbru@redhat.com>

diff --git a/qga/qapi-schema.json b/qga/qapi-schema.json
index 2ea10220921b316cd7f445bd57135474c7835799..9554b566a752528b70c902b8379100dcebf76cc0 100644 (file)
--- a/qga/qapi-schema.json
+++ b/qga/qapi-schema.json
@@ -1176,9 +1176,9 @@
 #     @GuestMemoryBlockResponse, which is corresponding to the input
 #     list.
 #
-#     Note: it will return NULL if the @mem-blks list was empty on
-#     input, or there is an error, and in this case, guest state will
-#     not be changed.
+#     Note: it will return an empty list if the @mem-blks list was
+#     empty on input, or there is an error, and in this case, guest
+#     state will not be changed.
 #
 # Since: 2.3
 ##