Remove trailing whitespaces.

sot_pyrene_bringup/launch/geometric_simu.launch

@@ -7,7 +7,7 @@
   <arg name="libsot" default="libsot-pyrene-controller.so" />   
 
   <arg name="sot-launch-prefix" default="" />
-  
+
   <include file="$(find sot_pyrene_bringup)/launch/geometric_simu_context.launch" >
     <arg name="robot" value="$(arg robot)" />       
     <arg name="libsot" value="$(arg libsot)" />