bench: fix broadcasting bug

Author: kgryte

lib/node_modules/@stdlib/array/base/put/benchmark/benchmark.length.js

@@ -44,7 +44,7 @@ function createBenchmark( len ) {
 	var x;
 
 	x = discreteUniform( len, 0, 10 );
-	idx = zeroTo( len-1 );
+	idx = zeroTo( len );
 	values = [
 		discreteUniform( len, -10, 0 ),
 		discreteUniform( len, 0, 10 )