gnucash maint: Bug 797697 - Enable DEP and ASLR for the Windows build

[John Ralls]

Updated	 via  https://github.com/Gnucash/gnucash/commit/d7c05a90 (commit)
	from  https://github.com/Gnucash/gnucash/commit/80230650 (commit)



commit d7c05a90a0b7254738ad2af13bd2fa589811852b
Author: John Ralls <jralls at ceridwen.us>
Date:   Wed Apr 22 11:34:45 2020 -0700

    Bug 797697 - Enable DEP and ASLR for the Windows build
    
    Added hardening flags.



Summary of changes:
 CMakeLists.txt | 14 ++++++++++----
 1 file changed, 10 insertions(+), 4 deletions(-)