gnucash master: Fix the underlying non-literal-null-conversion instead of suppressing

[John Ralls]

Updated	 via  https://github.com/Gnucash/gnucash/commit/010cf541 (commit)
	from  https://github.com/Gnucash/gnucash/commit/61354c9e (commit)



commit 010cf541f90753f19d5fd6cc35d15d9e3140f31f
Author: John Ralls <jralls at ceridwen.us>
Date:   Fri Sep 19 16:24:00 2014 -0700

    Fix the underlying non-literal-null-conversion instead of suppressing
    
    The warning. What it was warning about was two calls to "g_strdup(NULL);",
    which is a really dumb way of saying "NULL".



Summary of changes:
 configure.ac                                    |  3 -
 macros/ax_check_preproc_flag.m4                 | 74 -------------------------
 src/gnome-utils/gnc-tree-view-split-reg.c       |  2 +-
 src/register/ledger-core/split-register-model.c |  2 +-
 4 files changed, 2 insertions(+), 79 deletions(-)
 delete mode 100644 macros/ax_check_preproc_flag.m4