test: Changed assert.equal to assert.strictEqual

Updated test-cluster-send-deadlock.js to change assert.equal to assert.strictEqual

Author: daniel-pittman

test/parallel/test-cluster-send-deadlock.js

@@ -10,7 +10,7 @@ var net = require('net');
 if(cluster.isMaster){
 varworker=cluster.fork();
 worker.on('exit',function(code,signal){
-assert.equal(code,0,'Worker exited with an error code');
+assert.strictEqual(code,0,'Worker exited with an error code');
 assert(!signal,'Worker exited by a signal');
 server.close();
 });