v1.9.13p3
Rename SSP_(C|LD)FLAGS -> HARDENING_(C|LD)FLAGS
Eliminate a few harmless dead stores. Quiets warnings from Infer.
Keep group file open until the call to myendgrent(). This restores the previous behavior.
Rename sample_group plugin to group_file. Install group_file and system_group plugins by default.
Minor fixes pointed out by cppcheck. Also add compareBoolExpressionWithInt to suppression list.