增加RPM打包脚本和x86_64的包

git-svn-id: https://qlanguage.googlecode.com/svn/trunk@180 6d982bb3-a5a7-393d-ffc5-582415be9c85
修正Lexer中的一处错误

git-svn-id: https://qlanguage.googlecode.com/svn/trunk@181 6d982bb3-a5a7-393d-ffc5-582415be9c85