TINY-953: fixed minor issue with dblclick selection on IE
TINY-953: fixed minor issue with dblclick selection on IE

tinymce/tinymce,leofeyer/tinymce,TeamupCom/tinymce,danielpunkass/tinymce,gencer/tinymce,FernCreek/tinymce,danielpunkass/tinymce,gencer/tinymce,MediehusetTek/tinymce,adaptiffdesigns/tinymce,tinymce/tinymce,adaptiffdesigns/tinymce,TeamupCom/tinymce,MediehusetTek/tinymce,leofeyer/tinymce,FernCreek/tinymce,FernCreek/tinymce,tinymce/tinymce,danielpunkass/tinymce