strip only the very last newline
strip only the very last newline

It's part of the behavior of tail that the very last newline in a fail is
ignored. However, we were ignoring the trailing newline at the end of every
search block, which could cause us to print extra lines.

colinmarc/hdfs,colinmarc/hdfs,dklassen/hdfs,dklassen/hdfs,deorth/hdfs,ashishgandhi/hdfs,ashishgandhi/hdfs,cvvs/hdfs,deorth/hdfs,cvvs/hdfs