Video: ww44. Refine the codes and fix bug 12552

BZ: 12552

Remove trailing space, and codying style refine

Change-Id: Ie30298ce78b12dd668d5a9e46d59b79278b43003
Signed-off-by: Kun Wang <kun.k.wang@intel.com>
Reviewed-on: http://android.intel.com:8080/22262
Reviewed-by: Yuan, Shengquan <shengquan.yuan@intel.com>
Reviewed-by: Ding, Haitao <haitao.ding@intel.com>
Tested-by: Ding, Haitao <haitao.ding@intel.com>
Reviewed-by: buildbot <buildbot@intel.com>
Tested-by: buildbot <buildbot@intel.com>
diff --git a/style_unify b/style_unify
index 4915e63..10bf2b9 100755
--- a/style_unify
+++ b/style_unify
@@ -4,6 +4,7 @@
 do 
     echo $i 
     astyle --style=linux -s4 -c -s -p -U -H -n $i
+    sed -i 's/[ \t]*$//' $i #remove trailing space
 done