Allow `./getversion` and `./getversion --short` commands to function as expected when source directory is not a git repo and a VERSION file exists.
Allow `./getversion` and `./getversion --short` commands to function as expected when source directory is not a git repo and a VERSION file exists.

```
./getversion
TAG build commit:SHA

./getversion --short
TAG
```

Authored-by: Brent Doil <03e1f2032d25334ebde732e6d4d02d3013f3c423@vmware.com>

Use ' build ' as the delimiter.

Authored-by: Brent Doil <03e1f2032d25334ebde732e6d4d02d3013f3c423@vmware.com>

greenplum-db/gpdb,adam8157/gpdb,50wu/gpdb,lisakowen/gpdb,xinzweb/gpdb,50wu/gpdb,greenplum-db/gpdb,greenplum-db/gpdb,greenplum-db/gpdb,adam8157/gpdb,50wu/gpdb,50wu/gpdb,greenplum-db/gpdb,50wu/gpdb,adam8157/gpdb,lisakowen/gpdb,lisakowen/gpdb,greenplum-db/gpdb,adam8157/gpdb,adam8157/gpdb,xinzweb/gpdb,50wu/gpdb,xinzweb/gpdb,adam8157/gpdb,lisakowen/gpdb,xinzweb/gpdb,50wu/gpdb,greenplum-db/gpdb,lisakowen/gpdb,lisakowen/gpdb,xinzweb/gpdb,xinzweb/gpdb,xinzweb/gpdb,lisakowen/gpdb,adam8157/gpdb,lisakowen/gpdb,xinzweb/gpdb,adam8157/gpdb,greenplum-db/gpdb,50wu/gpdb