Fix typo in selector.js.
Fix typo in selector.js.

sstephenson/prototype,lamsieuquay/prototype,fashionsun/prototype,leafo/prototype,loduis/prototype,ldf7801528/prototype,fashionsun/prototype,leafo/prototype,292388900/prototype,sstephenson/prototype,ShefronYudy/prototype,sdumitriu/prototype,fashionsun/prototype,sstephenson/prototype,Gargaj/prototype,loduis/prototype,Gargaj/prototype,erpframework/prototype,ridixcr/prototype,ldf7801528/prototype,292388900/prototype,sdumitriu/prototype,Gargaj/prototype,lamsieuquay/prototype,sdumitriu/prototype,Jiasm/prototype,292388900/prototype,loduis/prototype,Jiasm/prototype,ridixcr/prototype,lamsieuquay/prototype,Jiasm/prototype,erpframework/prototype,baiyanghese/prototype,ridixcr/prototype,ShefronYudy/prototype,ShefronYudy/prototype,baiyanghese/prototype,ldf7801528/prototype,erpframework/prototype