Unreviewed, fix EFL build after r17275

Fix error: ignoring #pragma clang diagnostic [-Werror=unknown-pragmas]


* runtime/JSDataViewPrototype.cpp:
Add #if COMPILER(CLANG) and #endif.


git-svn-id: http://svn.webkit.org/repository/webkit/trunk@172793 268f45cc-cd09-0410-ab3c-d52691b4dbfc
2 files changed