Return of the n_arch

src/freedombone-utils-nodejs

 
     # update from the old debian nodejs version
     $mesh_install_nodejs_prefix npm install --arch=$NPM_ARCH -g n@${NODEJS_N_VERSION} --save
-    $mesh_install_nodejs_prefix n ${NODEJS_VERSION}
+    $mesh_install_nodejs_prefix n --arch $N_ARCH ${NODEJS_VERSION}
     cp $rootdir/root/npm $rootdir/usr/bin/npm
 }