Fix a mistake Chinese character in Documentation/zh_CN/SubmittingPatches

When i see the file linux-2.6.37/Documentation/zh_CN/SubmittingPatches ,
i find a mistake Chinese character in it. So i give a patch for
correcting this error.

Signed-off-by: Harry Wei <harryxiyou@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>