re-format the coding style in serial.c 1, Tabs to Spaces 2, File Format(CR/LF) using UNIX style 3, maximum line length = 80
re-format the coding style in serial.c
1, Tabs to Spaces
2, File Format(CR/LF) using UNIX style
3, maximum line length = 80

git-svn-id: 839522a79b1d56a78fa446d2fd3a0c499f8e535e@2281 bbd45198-f89e-11dd-88c7-29a3b14d5316

hezlog/rt-thread,FlyLu/rt-thread,weiyuliang/rt-thread,yongli3/rt-thread,zhaojuntao/rt-thread,armink/rt-thread,armink/rt-thread,RT-Thread/rt-thread,hezlog/rt-thread,FlyLu/rt-thread,nongxiaoming/rt-thread,hezlog/rt-thread,nongxiaoming/rt-thread,weety/rt-thread,FlyLu/rt-thread,armink/rt-thread,weety/rt-thread,gbcwbz/rt-thread,AubrCool/rt-thread,zhaojuntao/rt-thread,weety/rt-thread,weety/rt-thread,RT-Thread/rt-thread,igou/rt-thread,yongli3/rt-thread,geniusgogo/rt-thread,igou/rt-thread,RT-Thread/rt-thread,armink/rt-thread,ArdaFu/rt-thread,nongxiaoming/rt-thread,ArdaFu/rt-thread,zhaojuntao/rt-thread,yongli3/rt-thread,RT-Thread/rt-thread,AubrCool/rt-thread,FlyLu/rt-thread,FlyLu/rt-thread,zhaojuntao/rt-thread,armink/rt-thread,yongli3/rt-thread,gbcwbz/rt-thread,RT-Thread/rt-thread,weety/rt-thread,weiyuliang/rt-thread,AubrCool/rt-thread,igou/rt-thread,nongxiaoming/rt-thread,weiyuliang/rt-thread,igou/rt-thread,hezlog/rt-thread,weiyuliang/rt-thread,wolfgangz2013/rt-thread,yongli3/rt-thread,geniusgogo/rt-thread,ArdaFu/rt-thread,wolfgangz2013/rt-thread,weiyuliang/rt-thread,igou/rt-thread,wolfgangz2013/rt-thread,AubrCool/rt-thread,ArdaFu/rt-thread,weety/rt-thread,geniusgogo/rt-thread,yongli3/rt-thread,armink/rt-thread,zhaojuntao/rt-thread,nongxiaoming/rt-thread,nongxiaoming/rt-thread,wolfgangz2013/rt-thread,igou/rt-thread,igou/rt-thread,gbcwbz/rt-thread,RT-Thread/rt-thread,hezlog/rt-thread,geniusgogo/rt-thread,RT-Thread/rt-thread,gbcwbz/rt-thread,weiyuliang/rt-thread,AubrCool/rt-thread,gbcwbz/rt-thread,geniusgogo/rt-thread,FlyLu/rt-thread,wolfgangz2013/rt-thread,ArdaFu/rt-thread,wolfgangz2013/rt-thread,AubrCool/rt-thread,nongxiaoming/rt-thread,wolfgangz2013/rt-thread,zhaojuntao/rt-thread,ArdaFu/rt-thread,ArdaFu/rt-thread,AubrCool/rt-thread,yongli3/rt-thread,hezlog/rt-thread,zhaojuntao/rt-thread,gbcwbz/rt-thread,weety/rt-thread,hezlog/rt-thread,FlyLu/rt-thread,geniusgogo/rt-thread,weiyuliang/rt-thread,armink/rt-thread,geniusgogo/rt-thread,gbcwbz/rt-thread