Repair test expectations for webkit test.

When adding the new tests in https://codereview.chromium.org/21070002/ the tabs in .js files were automatically replaced with spaces (for presubmit to work).

This replaces the tabs also in a test expectation file for the output to match again.

R=bmeurer@chromium.org

Review URL: https://codereview.chromium.org/21156008

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@15946 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

test/webkit/fast/js/kde/cast-expected.txt

@@ -29,7 +29,7 @@ On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE
 PASS Boolean(1) === true is true
 PASS var s = String; s(1) === '1' is true
 PASS n = Number; n(true) === 1 is true
-PASS String(Array('a', 'b'	)) is 'a,b'
+PASS String(Array('a', 'b'        )) is 'a,b'
 PASS successfullyParsed is true
 
 TEST COMPLETE