Failed test: Undefined param `i` in redesigneur.py

Created by: subhacom

One of the test case of rdesigneur is failing with following error with ctest.

File "/opt/moose/Demos/util/rdesigneur.py", line 254, in checkAndBuildProto
    protoType + "Proto: File type'" + i[0] + "' not known." )
NameError: global name 'i' is not defined

Reported by: dilawar