Build-tools/Do-compile:
  Change already present in 5.0
configure.in:
  Do not propagate a 4.0 version number to the 5.0 tree.
include/my_sys.h:
  Change already present in 5.0.
mysys/hash.c:
  For Sun compilers, 'static inline' is ok.
mysys/my_bitmap.c:
  Change already present in 5.0
sql/item_strfunc.cc:
  Change already present in 5.0
sql/net_serv.cc:
  Change already present in 5.0