Better lvar name.

git-svn-id: https://svn.apache.org/repos/asf/logging/log4j/log4j2/trunk@1597147 13f79535-47bb-0310-9956-ffa450edef68
Better lvar name but don't hide ivar.

git-svn-id: https://svn.apache.org/repos/asf/logging/log4j/log4j2/trunk@1597148 13f79535-47bb-0310-9956-ffa450edef68
Use "ignore" wording instead of "suppress" when creating a stack trace string because "suppressed" exceptions have meaning in Java 7.

git-svn-id: https://svn.apache.org/repos/asf/logging/log4j/log4j2/trunk@1597151 13f79535-47bb-0310-9956-ffa450edef68
Better param name.

git-svn-id: https://svn.apache.org/repos/asf/logging/log4j/log4j2/trunk@1597152 13f79535-47bb-0310-9956-ffa450edef68