hg: code-tools/jmh: results: print result error in toString().

[aleksey.shipilev at oracle.com]

Changeset: 72ca77dfb5c6
Author:    shade
Date:      2014-07-22 12:58 +0400
URL:       http://hg.openjdk.java.net/code-tools/jmh/rev/72ca77dfb5c6

results: print result error in toString().

! jmh-core/src/main/java/org/openjdk/jmh/results/Result.java