tree ea942896614e58e5297da33d871a52b300effe91
parent 64fe39303f128b12d3d22478825151e026ac79db
author Saleem Abdulrasool <compnerd@compnerd.org> 1461531664 +0000
committer Saleem Abdulrasool <compnerd@compnerd.org> 1461531664 +0000

unwind: remove unnecessary header

Availablity.h is not used within config.h.  The locations which use the
availability infrastructure already include the necessary header(s).  NFC.

git-svn-id: https://llvm.org/svn/llvm-project/libunwind/trunk@267365 91177308-0d34-0410-b5e6-96231b3b80d8