Can't read Pango_jll.libpango_path on 32-bit systems

[giordano]

readmeta(open(Pango_jll.libpango_path, "r"))

gives the following error on 32-bit Linux:

  MethodError: no method matching ELFHandle(::IOStream, ::Int64, ::ELFInternal, ::ELFHeader32{ELFHandle}, ::String)
  Closest candidates are:
    ELFHandle(::T, !Matched::Int32, ::ELFInternal, ::ELFHeader, ::String) where T<:IO at /home/travis/.julia/packages/ObjectFile/K3HNL/src/ELF/ELFHandle.jl:16
  Stacktrace:
   [1] readmeta(::IOStream, ::Type{ELFHandle}) at /home/travis/.julia/packages/ObjectFile/K3HNL/src/ELF/ELFHandle.jl:59
   [2] readmeta(::IOStream) at /home/travis/.julia/packages/ObjectFile/K3HNL/src/Abstract/ObjectHandle.jl:125
   [3] top-level scope at show.jl:562
   [4] top-level scope at /home/travis/build/giordano/DependencyWalker.jl/test/runtests.jl:6
   [5] top-level scope at /buildworker/worker/package_linux32/build/usr/share/julia/stdlib/v1.3/Test/src/Test.jl:1107
   [6] top-level scope at /home/travis/build/giordano/DependencyWalker.jl/test/runtests.jl:6
   [7] include at ./boot.jl:328 [inlined]
   [8] include_relative(::Module, ::String) at ./loading.jl:1105
   [9] include(::Module, ::String) at ./Base.jl:31
   [10] include(::String) at ./client.jl:424
   [11] top-level scope at none:6
   [12] eval(::Module, ::Any) at ./boot.jl:330
   [13] exec_options(::Base.JLOptions) at ./client.jl:263
   [14] _start() at ./client.jl:460

Found in https://travis-ci.com/giordano/DependencyWalker.jl/builds/140719359

Similar error on 32-bit Windows:

MethodError: no method matching COFFHandle(::IOStream, ::Int64, ::COFFHeader, ::UInt32, ::COFFOptionalHeader32, ::String)
  Closest candidates are:
    COFFHandle(::T, !Matched::Int32, ::COFFHeader, ::UInt32, ::ObjectFile.COFF.COFFOptionalHeader, ::String) where T<:IO at C:\Users\appveyor\.julia\packages\ObjectFile\K3HNL\src\COFF\COFFHandle.jl:11
  Stacktrace:
   [1] readmeta(::IOStream, ::Type{COFFHandle}) at C:\Users\appveyor\.julia\packages\ObjectFile\K3HNL\src\COFF\COFFHandle.jl:66
   [2] readmeta(::IOStream) at C:\Users\appveyor\.julia\packages\ObjectFile\K3HNL\src\Abstract\ObjectHandle.jl:125
   [3] top-level scope at show.jl:562
   [4] top-level scope at C:\projects\dependencywalker-jl\test\runtests.jl:6
   [5] top-level scope at D:\buildbot\worker\package_win32\build\usr\share\julia\stdlib\v1.3\Test\src\Test.jl:1107
   [6] top-level scope at C:\projects\dependencywalker-jl\test\runtests.jl:6
   [7] include at .\boot.jl:328 [inlined]
   [8] include_relative(::Module, ::String) at .\loading.jl:1105
   [9] include(::Module, ::String) at .\Base.jl:31
   [10] include(::String) at .\client.jl:424
   [11] top-level scope at none:6
   [12] eval(::Module, ::Any) at .\boot.jl:330
   [13] exec_options(::Base.JLOptions) at .\client.jl:263
   [14] _start() at .\client.jl:460

Found at https://ci.appveyor.com/project/giordano/dependencywalker-jl/builds/29482247/job/klesvwfwoa3plopm

Maybe start should be cast to Int? Or position(io) returns always Int64?