with ~, we need to realpath it. Fixes the case where settings set target.expr-prefix ~/lldb.prefix.header wouldn't read this prefix header file. <rdar://problem/12475676> llvm-svn: 165704
with ~, we need to realpath it. Fixes the case where settings set target.expr-prefix ~/lldb.prefix.header wouldn't read this prefix header file. <rdar://problem/12475676> llvm-svn: 165704