Off by one (-fsanitize=address)

Change-Id: Idaeeb0b70458fe4c02d9ed585cb69db9dabb07b0
Some trivial -fsanitize=undefined adaptions

Change-Id: I60f6e2b5f041919319cb6b72684b8b7b8504560c
gbuild: More crude hacking to fix over-evalutation

Change-Id: I36d7b0c40ac60c6cf9f0968530774e4b2b03b829
Help openldap configure along when CC contains -fsanitize=address on Linux

Change-Id: Ie1cebb9884d580d5e2bb0e885a22ee04b92aecb5