Minor fix. The names of coeffset parameters would be mangled if they were the same as the basename, e.g. A1_A would become A1_ while A1_B would be correct.

git-svn-id: svn+ssh://phab.hepforge.org/source/laurasvn/trunk@319 30227d83-a2f9-49e9-9e98-657c83b2c86a