Correct the default location of the PamAuthCheck program in the
config.mk{.in] files (and compile parameters)

I believe we moved the location later on in the development process
but but forgot to adjust this.



git-svn-id: svn://irodssvn.ucsd.edu/trunk@5401 ea137bd6-aa86-47b6-b90d-b101d9f19a90