gnucash maint: Multiple changes pushed

[John Ralls]

Updated	 via  https://github.com/Gnucash/gnucash/commit/de0422da (commit)
	 via  https://github.com/Gnucash/gnucash/commit/cca45240 (commit)
	from  https://github.com/Gnucash/gnucash/commit/f6d34f22 (commit)



commit de0422da25d48938859aff092d1c6f3b69d16c03
Merge: f6d34f226 cca452405
Author: John Ralls <jralls at ceridwen.us>
Date:   Sun Sep 6 14:39:12 2020 -0700

    Merge G4js's missing-sentinels into maint.

commit cca45240554639d665fa39c0d72497b814ab1d9d
Author: Gaming4JC <g4jc at hyperbola.info>
Date:   Sun Sep 6 00:50:54 2020 -0400

    Fix warnings: missing sentinel in function calls
    
    When compiling with -Werror, GNUCash fails to build due to various error: missing sentinel in function call.
    This patch resolves the issue by passing nullptr instead of C-style casting NULL.



Summary of changes:
 gnucash/gnome/assistant-loan.cpp             | 16 ++++++++--------
 gnucash/gnucash-core-app.cpp                 |  2 +-
 gnucash/gnucash.cpp                          |  2 +-
 libgnucash/backend/xml/sixtp-utils.cpp       |  2 +-
 libgnucash/core-utils/gnc-filepath-utils.cpp |  6 +++---
 libgnucash/engine/Account.cpp                |  4 ++--
 libgnucash/engine/qof-backend.cpp            |  2 +-
 libgnucash/engine/qofbook.cpp                |  4 ++--
 libgnucash/engine/qoflog.cpp                 |  4 ++--
 9 files changed, 21 insertions(+), 21 deletions(-)