fix return value in EditBoxImpl-linux and remove some redundant semicolon#19798

minggo merged 1 commit intococos2d:v3cocos2d/cocos2d-x:v3from

JohnCoconut:fix-return-value-EditBoxImpl-linuxJohnCoconut/cocos2d-x:fix-return-value-EditBoxImpl-linuxCopy head branch name to clipboard