Modular bindings: make each python extension module link only to the required ns-3 modular libraries

src/wscript

@@ -222,7 +222,7 @@ def ns3_python_bindings(bld):
     pymod.source = ['bindings/ns3module.cc']
     pymod.target = '%s/%s' % (bld.srcnode.find_dir("bindings/python/ns").relpath_gen(bld.path), module.replace('-', '_'))
     pymod.name = 'ns3module_%s' % module
-    pymod.uselib_local = bld.env['NS3_ENABLED_MODULES']
+    pymod.uselib_local = "ns3-"+module
     if pymod.env['ENABLE_STATIC_NS3']:
         if sys.platform == 'darwin':
             pymod.env.append_value('LINKFLAGS', '-Wl,-all_load')