RHEL 5 SWIG generates non-const-correct C++ code

Issue

Here are the errors we see when using the swig packaged with Red Hat Enterprise Linux (RHEL) 5.4:

$ ./broken_swig.sh
broken_swig_wrap.cxx: In function 'int SWIG_Python_ConvertFunctionPtr(PyObject*, void**, swig_type_info*)':
broken_swig_wrap.cxx:2051: error: invalid conversion from 'const char*' to 'char*'
broken_swig_wrap.cxx: In function 'void SWIG_Python_FixMethods(PyMethodDef*, swig_const_info*, swig_type_info**, swig_type_info**)':
broken_swig_wrap.cxx:3129: error: invalid conversion from 'const char*' to 'char*'