Fix for case where classloader key to "factories" member is null. This can happen in JDK1.1 and in embedded systems work. Without this fix, a new LogFactoryImpl is created each time LogFactory.getLog(..) is called! See bugzilla#10825, comment#22. Thanks to Erik Erskine for bug report and fix.
jakarta/commons/proper/logging/trunk/src/java/org/apache/commons/logging/LogFactory.java