Remove trailing whitespaces in regular file

Change-Id: I5faf840dd6649afcb53e91f1d033447f9729cee1
diff --git a/tools/xen/scripts/install-os-vpx.sh b/tools/xen/scripts/install-os-vpx.sh
index f0dc3c2..d45c370 100755
--- a/tools/xen/scripts/install-os-vpx.sh
+++ b/tools/xen/scripts/install-os-vpx.sh
@@ -88,7 +88,7 @@
 
 get_params()
 {
-  while getopts "hicwbf:d:v:m:p:k:r:l:" OPTION; 
+  while getopts "hicwbf:d:v:m:p:k:r:l:" OPTION;
   do
     case $OPTION in
       h) usage
@@ -246,7 +246,7 @@
 
 
 # This installs the interface for public traffic, only if a bridge is specified
-# The interface is not configured at this stage, but it will be, once the admin   
+# The interface is not configured at this stage, but it will be, once the admin
 # tasks are complete for the services of this VPX
 create_public_vif()
 {