python: fix lib name

bindings/python/module.cpp

@@ -21,7 +21,7 @@
 namespace bp = boost::python;
 using namespace pinocchio::python;
 
-BOOST_PYTHON_MODULE(libpinocchio_pywrap)
+BOOST_PYTHON_MODULE(pinocchio_pywrap)
 {
   bp::docstring_options module_docstring_options(true,true,false);