refactor: swap lines

Signed-off-by: Athan <kgryte@gmail.com>

Author: kgryte

lib/node_modules/@stdlib/ndarray/unshift/lib/main.js

@@ -60,8 +60,8 @@ function unshift( x ) {
 	if ( nargs < 2 ) {
 		throw new Error( 'invalid invocation. Must provide at least two arguments.' );
 	}
-	args = [];
 	dtype = getDType( x );
+	args = [];
 	for ( i = 1; i < nargs; i++ ) {
 		args.push( scalar2ndarray( arguments[ i ], {
 			'dtype': dtype