gnucash unstable: Make travis happy

[Geert Janssens]

Updated	 via  https://github.com/Gnucash/gnucash/commit/10ab87d9 (commit)
	from  https://github.com/Gnucash/gnucash/commit/61a21d12 (commit)



commit 10ab87d95c2ad59a95383ee99ed5669c2893cb80
Author: Geert Janssens <geert at kobaltwit.be>
Date:   Sat Feb 24 21:36:39 2018 +0100

    Make travis happy
    
    On older stdlibc++ the default constructor of a stringstream is deleted.



Summary of changes:
 libgnucash/core-utils/gnc-filepath-utils.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)