LANG-804 - Redundant check for zero in HashCodeBuilder ctor. Patch provided by Allon Mureinik via github.

git-svn-id: https://svn.apache.org/repos/asf/commons/proper/lang/trunk@1526817 13f79535-47bb-0310-9956-ffa450edef68
Fix typo

git-svn-id: https://svn.apache.org/repos/asf/commons/proper/lang/trunk@1526818 13f79535-47bb-0310-9956-ffa450edef68