gnucash maint: Update the copyright date for Help|About to 2015.

[John Ralls]

Updated	 via  https://github.com/Gnucash/gnucash/commit/5921c63a (commit)
	from  https://github.com/Gnucash/gnucash/commit/3d8b58a1 (commit)



commit 5921c63a014516ab0ae01ec3614aa63202380f91
Author: John Ralls <jralls at ceridwen.us>
Date:   Sun Jul 5 16:33:52 2015 -0700

    Update the copyright date for Help|About to 2015.
    
    Only 6 months late!



Summary of changes:
 src/gnome-utils/gnc-main-window.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)