Changes for branch openafs-stable-1_8_x.

numbersubjecttopic
15855rx: Remove includes for MIN/MAX in rx_packet.hlinux-6.11
15851rxkad: Consolidate refCount decrementlinux-6.11
15850rx: Use atomics for rx_securityClass refcountslinux-6.11
15817volinfo: Refuse zero and non-numeric -volumeidfix
15812AIX: Don't specify -qlanglvl=stdc99 for libuafsaix-clang
15811AIX: Declare syscall()aix
15810AIX: Avoid COMPAT_43 for clangaix-clang
15809macos: Remove vestigial AFS_MOUNT_AFS referencesmacos
15808LINUX: Test for rcu_read_unlock with rcu_read_locklinux-cleanup
15807Remove almost all bcopy/bzero/bcmp callsaix-clang
15806make-release: create SHA256 checksums toorelease-tools
15805make-release: Run git describe oncerelease-tools
15804make-release: Create output directory if neededrelease-tools
15803make-release: Remove unused optional version argumentrelease-tools
15802make-release: Clean up whitespace and spellingrelease-tools
15801rx: Print free and allocated counters as unsigned valuesincorrect-out-bugfix