[binutils-gdb] Use gdbpy_enter in py-finishbreakpoint.c

[sergiodj+buildbot@sergiodj.net]

*** TEST RESULTS FOR COMMIT 6e7c365ee0ea2551f9f840b71081fdf759088b5e ***

Author: Tom Tromey <tom@tromey.com>
Branch: master
Commit: 6e7c365ee0ea2551f9f840b71081fdf759088b5e

Use gdbpy_enter in py-finishbreakpoint.c

Change py-finishbreakpoint.c to use gdbpy_enter.

2017-01-10  Tom Tromey  <tom@tromey.com>

	* python/py-finishbreakpoint.c (bpfinishpy_handle_stop)
	(bpfinishpy_handle_exit): Use gdbpy_enter.