Script generated by 'CreateStartScripts' doesn't handle 'CDPATH' well

$ echo $CDPATH
.:/home/nyap:/home/nyap/proj
$ build/bin/cmp-versions 1 2
build/bin/cmp-versions: line 64: cd: write error: Bad file descriptor
some output
$ unset CDPATH
$ build/bin/cmp-versions 1 2
some output