Updated indentation script for c/h/cc/hh files.

     + set utf-8 encoding.
     + delete trailing whitespaces.

scripts/indent-c++.el

 (c++-mode)
 (setq indent-tabs-mode nil)
 (indent-region (point-min) (point-max))
-(set-buffer-file-coding-system 'unix)
+(set-buffer-file-coding-system 'utf-8-unix)
+(delete-trailing-whitespace)
 (save-buffer)