https://bugs.webkit.org/show_bug.cgi?id=118675

Patch by Brian Holt <brian.holt@samsung.com> on 2013-09-02
Reviewed by Mario Sanchez Prada.

Fixed memory leaks by matching ref calls with unrefs.

* tests/testatk.c:
(testWebkitAtkCaretOffsets):
(testWebkitAtkCaretOffsetsAndExtranousWhiteSpaces):
(testWebkitAtkGetTextAtOffset):
(testWebkitAtkGetTextAtOffsetNewlines):
(testWebkitAtkGetTextAtOffsetTextarea):
(testWebkitAtkGetTextAtOffsetTextInput):
(testWebkitAtkGetTextInParagraphAndBodySimple):
(testWebkitAtkGetTextInParagraphAndBodyModerate):
(testWebkitAtkTextAttributes):
(testWebkitAtkTextSelections):
(testWebkitAtkListsOfItems):

git-svn-id: http://svn.webkit.org/repository/webkit/trunk@154953 268f45cc-cd09-0410-ab3c-d52691b4dbfc