JM-38 -- startup script fails on windows if VM is in program files

git-svn-id: http://svn.igniterealtime.org/svn/repos/messenger/trunk@449 b35dd754-fafc-0310-a699-88a17e54d16e

src/bin/startup.bat

@@ -17,7 +17,7 @@ echo.
 goto end
 
 :run
-start "Jive Messenger" %JAVA_HOME%\bin\java -jar ..\lib\startup.jar
+start "Jive Messenger" "%JAVA_HOME%\bin\java" -jar ..\lib\startup.jar
 goto end
 
 :end
\ No newline at end of file