adapt to the change in build.xml

installer/resources/portable/win32/ClickMe2Unpack.bat

 @echo off
 path %path%;c:\program Files\Java\jre6\bin;
 echo ==========  Unpacking .jar libs, plz wait ...  ============
-for %%i in (lib\*.pack) do unpack200 -r %%i lib\%%~ni.jar
+for %%i in (lib\*.pack) do unpack200 -r %%i lib\%%~ni
+for %%i in (webapps\*.pack) do unpack200 -r %%i webapps\%%~ni
 ren batch1.na StartI2P.bat
 ren batch2.na EepGet.bat
 ren i2psvc.ex_ i2psvc.exe