message: Fix HostInfoBase::ComputeSharedLibraryDirectory comment
  The comment seems to indicate that this function would return the "bin"
  directory on linux. I've verified that this is not the case, so I'm
  updating the comment to match.
diff: @@ -282,10 +282,8 @@ ArchSpec HostInfoBase::GetAugmentedArchSpec(llvm::StringRef triple) {
  bool HostInfoBase::ComputeSharedLibraryDirectory(FileSpec &file_spec) {
  // To get paths related to LLDB we get the path to the executable that
  - // contains this function. On MacOSX this will be "LLDB.framework/.../LLDB",
  - // on linux this is assumed to be the "lldb" main executable. If LLDB on
  - // linux is actually in a shared library (liblldb.so) then this function will
  - // need to be modified to "do the right thing".
  + // contains this function. On MacOSX this will be "LLDB.framework/.../LLDB".
  + // On other posix systems, we will get .../lib(64|32)?/liblldb.so.
  FileSpec lldb_file_spec(
  Host::GetModuleFileSpecForHostAddress(reinterpret_cast<void *>(
  