Change pspace_to_pspace_object to return a new reference

This changes pspace_to_pspace_object to return a new reference and
fixes up all the callers.

gdb/ChangeLog
2018-09-16  Tom Tromey  <tom@tromey.com>

	* python/py-inferior.c (infpy_get_progspace): Update.
	* python/python-internal.h (pspace_to_pspace_object): Change
	return type.
	* python/py-newobjfileevent.c
	(create_clear_objfiles_event_object): Update.
	* python/py-xmethods.c (gdbpy_get_matching_xmethod_workers):
	Update.
	* python/python.c (gdbpy_get_current_progspace): Update.
	(gdbpy_progspaces): Update.
	* python/py-progspace.c (pspace_to_pspace_object): Return a new
	reference.
	* python/py-objfile.c (objfpy_get_progspace): Update.
	* python/py-prettyprint.c (find_pretty_printer_from_progspace):
	Update.

1 files changed, 1 insertions, 2 deletions

diff --git a/gdb/python/python-internal.h b/gdb/python/python-internal.h
index 1c526af..58baa11 100644
--- a/gdb/python/python-internal.h
+++ b/gdb/python/python-internal.h
@@ -516,8 +516,7 @@ PyObject *value_to_value_object (struct value *v);
 PyObject *type_to_type_object (struct type *);
 PyObject *frame_info_to_frame_object (struct frame_info *frame);
 PyObject *symtab_to_linetable_object (PyObject *symtab);
-PyObject *pspace_to_pspace_object (struct program_space *)
-    CPYCHECKER_RETURNS_BORROWED_REF;
+gdbpy_ref<> pspace_to_pspace_object (struct program_space *);
 PyObject *pspy_get_printers (PyObject *, void *);
 PyObject *pspy_get_frame_filters (PyObject *, void *);
 PyObject *pspy_get_frame_unwinders (PyObject *, void *);