fix


git-svn-id: https://geuz.org/svn/gmsh/trunk@20097 59c8cabf-10d6-4a28-b43f-3936b85956c4
fix 2


git-svn-id: https://geuz.org/svn/gmsh/trunk@20098 59c8cabf-10d6-4a28-b43f-3936b85956c4