whitespace

git-svn-id: https://svn.apache.org/repos/asf/tomcat/trunk@1508878 13f79535-47bb-0310-9956-ffa450edef68
Fix https://issues.apache.org/bugzilla/show_bug.cgi?id=55316
Log IO errors with client at debug. Client may simply have gone away.

git-svn-id: https://svn.apache.org/repos/asf/tomcat/trunk@1508884 13f79535-47bb-0310-9956-ffa450edef68