BUGF: Add a new line ending at end of ZZRGUTRB.m file

Without the new line ending at end of ZZRGUTRB.m file, the ro file
generated by PackRO.m will not have a new line seperator between
end of ZZRGUTRB and next routine, which causes routine import failure
and hence Unit Testing Failure.

OSEHRA-Id: http://issues.osehra.org/browse/OAT-140
Change-Id: Iddbcf3e1969471cd9cf0f82ddf912a1bfee68f15