client/cmakelists.txt:
  Fix dependency problem with the old GenError target.
extra/cmakelists.txt:
  Fix dependency problem with the old GenError target.
libmysql/cmakelists.txt:
  Fix dependency problem with the old GenError target.
server-tools/instance-manager/cmakelists.txt:
  Fix dependency problem with the old GenError target.
sql/cmakelists.txt:
  Fix dependency problem with the old GenError target.
win/README:
  Fix dependency problem with the old GenError target.