[binutils-gdb] Remove cleanups from gdb_readline_wrapper

[sergiodj+buildbot at sergiodj dot net]

*** TEST RESULTS FOR COMMIT 1dbeed45b6a81ddcb725b68ff12236e7c8386a47 ***

Author: Tom Tromey <tom@tromey.com>
Branch: master
Commit: 1dbeed45b6a81ddcb725b68ff12236e7c8386a47

Remove cleanups from gdb_readline_wrapper

This removes some cleanups from gdb_readline_wrapper by changing the
existing gdb_readline_wrapper_cleanup struct to have a constructor and
destructor, and then changing gdb_readline_wrapper to simply
instantiate it on the stack.

gdb/ChangeLog
2018-03-27  Pedro Alves  <palves@redhat.com>
	    Tom Tromey  <tom@tromey.com>

	* top.c (class gdb_readline_wrapper_cleanup): Add constructor,
	destructor.  Now a class.
	(gdb_readline_wrapper_cleanup): Remove function.
	(gdb_readline_wrapper): Remove cleanups.