All Indic text is rendered as boxes on iOS

All Indic text is rendered as boxes on iOS
https://bugs.webkit.org/show_bug.cgi?id=134464

Reviewed by Simon Fraser.

Source/WebCore:
I made a typo in r170207.

Test: fast/text/indic.html

* platform/graphics/ios/FontCacheIOS.mm:
(WebCore::languageSpecificFallbackFont):

LayoutTests:
Simply draw some indic text and test that against currently good metric values.

* fast/text/indic.html: Added
* platform/ios-sim/fast/text/indic-expected.txt: Added.
* platform/mac/fast/text/indic-expected.txt: Added.
* platform/mac/fast/text/indic-expected.png: Added.

git-svn-id: https://svn.webkit.org/repository/webkit/trunk@170619 268f45cc-cd09-0410-ab3c-d52691b4dbfc