Fix MooseArray::resize(size,default_value)

My proposed fix for: https://github.com/idaholab/moose/issues/4243
...which MooseBuild appears to only recognize as: #4243
Merge pull request #4244 from roystgnr/moosearray_fix

Fix MooseArray::resize(size,default_value)
Merge commit '5ec9060ebb7ab209abb9eb45a47593d4deb67004'