[PATCH] Fix uninitialized value in AttributedTypeLoc.

[Logan Chien]

  If you are interested in, here's reduced test case.  It was reduced from the Android jni.h.  I feel this test is not good enough because clang will not crash if you delete some of the lines in crash_pch.h.

  {F47242}

http://llvm-reviews.chandlerc.com/D3020