Source/WebCore: Crash due to column style not updated on post block

Source/WebCore: Crash due to column style not updated on post block
in splitInlines.
https://bugs.webkit.org/show_bug.cgi?id=77939

Reviewed by Julien Chaffraix.

Test: fast/multicol/span/split-inline-wrong-post-block-crash.html

* rendering/RenderInline.cpp:
(WebCore::RenderInline::splitFlow):

LayoutTests: Crash due to column style not updated on post block
in splitInlines.
https://bugs.webkit.org/show_bug.cgi?id=77939

Reviewed by Julien Chaffraix.

* fast/multicol/span/split-inline-wrong-post-block-crash-expected.txt: Added.
* fast/multicol/span/split-inline-wrong-post-block-crash.html: Added.

git-svn-id: http://svn.webkit.org/repository/webkit/trunk@106968 268f45cc-cd09-0410-ab3c-d52691b4dbfc