Fix bug that caused a JVM crash due to bug in libreadline-java native code.
Fix bug that caused a JVM crash due to bug in libreadline-java native code.

tempbottle/jsimpledb,archiecobbs/jsimpledb,permazen/permazen,permazen/permazen,tempbottle/jsimpledb,tempbottle/jsimpledb,archiecobbs/jsimpledb,archiecobbs/jsimpledb,permazen/permazen