Export GramSchmidt()

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/rgl/pkg/rgl@1182 79a1b648-8b68-254f-b20b-c0b50f5137bf
Correction

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/rgl/pkg/rgl@1183 79a1b648-8b68-254f-b20b-c0b50f5137bf