6790805 bfu: needs to deal with /usr/bin/sleep and sum changing to ksh93 scripts after ksh93 update1

[april.c...@sun.com]

Author: April Chin <April.Chin at Sun.COM>
Repository: /hg/onnv/onnv-gate
Latest revision: 245cc4e39d320f833d30afca454234bcd5ad76e4
Total changesets: 1
Log message:
6790805 bfu: needs to deal with /usr/bin/sleep and sum changing to ksh93 
scripts after ksh93 update1

Files:
        update: usr/src/tools/scripts/bfu.sh