gnucash-on-windows master: Bump GCC version to 4.9.3.

[John Ralls]

Updated	 via  https://github.com/Gnucash/gnucash-on-windows/commit/da91860f (commit)
	from  https://github.com/Gnucash/gnucash-on-windows/commit/53dde403 (commit)



commit da91860f8ae79b06be8a762e26612a9145643aa8
Author: John Ralls <jralls at ceridwen.us>
Date:   Mon Nov 7 13:03:14 2016 -0800

    Bump GCC version to 4.9.3.
    
    Where they seem to have left off the define that breaks stoi and to_string.



Summary of changes:
 defaults.sh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)