new init.it slot in uniroot result

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/mvtnorm@259 edb9625f-4e0d-4859-8d74-9fd3b1da38cb
0.9-9995; runtime error in miwa.c line 106 fixed by T. Miwa

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/mvtnorm@260 edb9625f-4e0d-4859-8d74-9fd3b1da38cb