Fix for vc-relax bug if magnetization is zero


git-svn-id: http://qeforge.qe-forge.org/svn/q-e/trunk/espresso@11268 c92efa57-630b-4861-b058-cf58834340f0
make.depend.updated


git-svn-id: http://qeforge.qe-forge.org/svn/q-e/trunk/espresso@11269 c92efa57-630b-4861-b058-cf58834340f0