[EFL] Fix cursor artifacts on naver map site.
https://bugs.webkit.org/show_bug.cgi?id=134649

Patch by KwangHyuk Kim <hyuki.kim@samsung.com> on 2014-07-07
Reviewed by Gyuyoung Kim.

Old evas cursor and ecore x cursor are reset before new cursor is applied.

* UIProcess/API/efl/EwkView.cpp:
(EwkView::updateCursor):

git-svn-id: http://svn.webkit.org/repository/webkit/trunk@170844 268f45cc-cd09-0410-ab3c-d52691b4dbfc