libtf.so cannot open shared object file

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I was using a package done by myself on fuerte and I have moved this package on Turtlebot which is on electric. But it's not working on electric, I have a error message when I execute roslaunch mypackage mylaunchfile.launch:

error while loading shared libraries: libtf.so: cannot open shared object file: No such file or directory 
process[vision_odometrie-1]: started with pid [30562] [vision_odometrie-1] process has died [pid 30562, exit code 127]. log files: /home/turtlebot/.ros/log/2827a526-d4ef-11e2-a445-047d7b6f6b57/vision_odometrie-1*.log

The rosmake works without error and I have libtf.so in my directory /geometry/tf/lib

If I write: ldd bin/vision_odometrie

libtf.so => /opt/ros/electric/stacks/geometry/tf/lib/libtf.so (0x00007f356cd0f000)

I have added this line on my .bashrc but that doesn't solve the problem:

export LD_LIBRARY_PATH="/opt/electric/stacks/geometry/tf/lib.libtf.so"

( I cannot do all the update because the linux version is old: Lucid Lynx 10.04LTS )