gnucash master: Make older compilers happy by using std::isnan instead of isnan

[Geert Janssens]

Updated	 via  https://github.com/Gnucash/gnucash/commit/3e9d0c1f (commit)
	from  https://github.com/Gnucash/gnucash/commit/8e09bae7 (commit)



commit 3e9d0c1fda7396e2e226a3df8cfcf8d50119c40b
Author: Geert Janssens <geert at kobaltwit.be>
Date:   Wed Mar 1 12:34:53 2017 +0100

    Make older compilers happy by using std::isnan instead of isnan
    
    Both forms apparently work on more recent compilers



Summary of changes:
 src/libqof/qof/gnc-numeric.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)