gnucash master: Fix another missing include <algorithm>.

[John Ralls]

Updated	 via  https://github.com/Gnucash/gnucash/commit/427d4671 (commit)
	from  https://github.com/Gnucash/gnucash/commit/a7225780 (commit)



commit 427d46719e9735212c3fe6edef415e83ab89fdfc
Author: John Ralls <jralls at ceridwen.us>
Date:   Fri Nov 18 16:46:50 2016 -0800

    Fix another missing include <algorithm>.
    
    Required by gcc-6.2.



Summary of changes:
 src/backend/dbi/gnc-dbiproviderimpl.hpp | 1 +
 1 file changed, 1 insertion(+)