Corrected log file name.

samples/openid/src/main/webapp/WEB-INF/classes/log4j.properties

@@ -10,7 +10,7 @@ log4j.appender.stdout.layout.conversionPattern=[%p,%c{1},%t] %m%n
 
 # Rolling log file output...
 log4j.appender.fileout=org.apache.log4j.RollingFileAppender
-log4j.appender.fileout.File=spring-security-preauth.log
+log4j.appender.fileout.File=spring-security-openid.log
 #log4j.appender.fileout.File=${webapp.root}/WEB-INF/log4j.log
 log4j.appender.fileout.MaxFileSize=1024KB
 log4j.appender.fileout.MaxBackupIndex=1