gnucash master: Remove superflous use of std::stringstream.

[John Ralls]

Updated	 via  https://github.com/Gnucash/gnucash/commit/6e3fafed (commit)
	from  https://github.com/Gnucash/gnucash/commit/01c21da3 (commit)



commit 6e3fafedbadfb9a62ff009af40fd4bcdf461cc6c
Author: John Ralls <jralls at ceridwen.us>
Date:   Thu Jul 14 19:27:06 2016 +0000

    Remove superflous use of std::stringstream.



Summary of changes:
 src/libqof/qof/gnc-timezone.cpp | 10 ++++------
 1 file changed, 4 insertions(+), 6 deletions(-)