we're missing a tab character in Makefile which is needed by the StringTokenizer.

this caused some build issue with 2011i tzdata change.

$ ./jdk1.6.0_26/bin/java -jar tzupdater.jar -v -V
tzupdater version 1.3.41-b01
Exception in thread "main" com.sun.tools.tzupdater.TzupdaterException: /data/tzdata.conf:1: invalid config
        at com.sun.tools.tzupdater.DataConfiguration.getDataConfiguration(DataConfiguration.java:27)
        at com.sun.tools.tzupdater.TimezoneUpdater.run(TimezoneUpdater.java:164)
        at com.sun.tools.tzupdater.TimezoneUpdater.main(TimezoneUpdater.java:539)