doc: fix style inconsistencies in code examples

doc/api/assert.markdown

@@ -209,7 +209,7 @@ const assert = require('assert');
 
 assert.ifError(0); // OK
 assert.ifError(1); // Throws 1
-assert.ifError('error') // Throws 'error'
+assert.ifError('error'); // Throws 'error'
 assert.ifError(new Error()); // Throws Error
 ```
 
@@ -234,7 +234,7 @@ const obj3 = {
   a : {
     b : 1
   }
-}
+};
 const obj4 = Object.create(obj1);
 
 assert.notDeepEqual(obj1, obj1);

doc/api/buffer.markdown

@@ -244,7 +244,7 @@ Buffers can be iterated over using the ECMAScript 2015 (ES6) `for..of` syntax:
 const buf = Buffer.from([1, 2, 3]);
 
 for (var b of buf)
-  console.log(b)
+  console.log(b);
 
 // Prints:
 //   1

doc/api/child_process.markdown

@@ -430,8 +430,8 @@ const out = fs.openSync('./out.log', 'a');
 const err = fs.openSync('./out.log', 'a');
 
 const child = spawn('prg', [], {
- detached: true,
- stdio: [ 'ignore', out, err ]
+  detached: true,
+  stdio: [ 'ignore', out, err ]
 });
 
 child.unref();

doc/api/crypto.markdown

@@ -236,7 +236,7 @@ var decrypted = '';
 decipher.on('readable', () => {
   var data = decipher.read();
   if (data)
-  decrypted += data.toString('utf8');
+    decrypted += data.toString('utf8');
 });
 decipher.on('end', () => {
   console.log(decrypted);

doc/api/http.markdown

@@ -87,7 +87,7 @@ http.get({
   agent: false  // create a new agent just for this one request
 }, (res) => {
   // Do stuff with response
-})
+});
 ```
 
 ### new Agent([options])
@@ -1186,7 +1186,7 @@ var req = http.request(options, (res) => {
   });
   res.on('end', () => {
     console.log('No more data in response.')
-  })
+  });
 });
 
 req.on('error', (e) => {

doc/api/https.markdown

@@ -204,7 +204,7 @@ options.agent = new https.Agent(options);
 
 var req = https.request(options, (res) => {
   ...
-}
+});
 ```
 
 Alternatively, opt out of connection pooling by not using an `Agent`.
@@ -224,7 +224,7 @@ var options = {
 
 var req = https.request(options, (res) => {
   ...
-}
+});
 ```
 
 [`Agent`]: #https_class_https_agent

doc/api/path.markdown

@@ -149,7 +149,7 @@ path.format({
     base : "file.txt",
     ext : ".txt",
     name : "file"
-})
+});
 // returns 'C:\\path\\dir\\file.txt'
 ```
 

doc/api/repl.markdown

@@ -320,7 +320,7 @@ net.createServer((socket) => {
     output: socket
   }).on('exit', () => {
     socket.end();
-  })
+  });
 }).listen('/tmp/node-repl-sock');
 
 net.createServer((socket) => {

doc/api/stream.markdown

@@ -1408,7 +1408,7 @@ var duplex = new stream.Duplex({
     // sets this._write under the hood
 
     // An optional error can be passed as the first argument
-    next()
+    next();
   }
 });
 
@@ -1426,7 +1426,7 @@ var duplex = new stream.Duplex({
     // sets this._writev under the hood
 
     // An optional error can be passed as the first argument
-    next()
+    next();
   }
 });
 ```
@@ -1477,7 +1477,7 @@ var writable = new stream.Writable({
     // sets this._write under the hood
 
     // An optional error can be passed as the first argument
-    next()
+    next();
   }
 });
 
@@ -1488,7 +1488,7 @@ var writable = new stream.Writable({
     // sets this._writev under the hood
 
     // An optional error can be passed as the first argument
-    next()
+    next();
   }
 });
 ```

doc/api/util.markdown

@@ -138,14 +138,14 @@ const util = require('util');
 const EventEmitter = require('events');
 
 function MyStream() {
-    EventEmitter.call(this);
+  EventEmitter.call(this);
 }
 
 util.inherits(MyStream, EventEmitter);
 
 MyStream.prototype.write = function(data) {
-    this.emit('data', data);
-}
+  this.emit('data', data);
+};
 
 var stream = new MyStream();
 
@@ -154,7 +154,7 @@ console.log(MyStream.super_ === EventEmitter); // true
 
 stream.on('data', (data) => {
   console.log(`Received data: "${data}"`);
-})
+});
 stream.write('It works!'); // Received data: "It works!"
 ```