chore: fix incorrect import

Author: aayush0325

lib/node_modules/@stdlib/stats/base/dsemtk/benchmark/benchmark.ndarray.native.js

@@ -31,9 +31,9 @@ var pkg = require( './../package.json' ).name;
 
 // VARIABLES //
 
-var dsemch = tryRequire( resolve( __dirname, './../lib/ndarray.native.js' ) );
+var dsemtk = tryRequire( resolve( __dirname, './../lib/ndarray.native.js' ) );
 var opts = {
-	'skip': ( dsemch instanceof Error )
+	'skip': ( dsemtk instanceof Error )
 };
 var options = {
 	'dtype': 'float64'