lib: use === in _http_server and _tls_wrap

Minor fix to favor strict equality in http_server.js and tls_wrap.js
to ensure accurate comparisons without type coercion.

PR-URL: nodejs#9849
Reviewed-By: Rich Trott <rtrott@gmail.com>
Reviewed-By: Michael Dawson <michael_dawson@ca.ibm.com>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Michaël Zasso <targos@protonmail.com>
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>

lib/_http_server.js

@@ -525,7 +525,7 @@ function connectionListener(socket) {
     }
 
     if (req.headers.expect !== undefined &&
-        (req.httpVersionMajor == 1 && req.httpVersionMinor == 1)) {
+        (req.httpVersionMajor === 1 && req.httpVersionMinor === 1)) {
       if (continueExpression.test(req.headers.expect)) {
         res._expect_continue = true;
 

lib/_tls_wrap.js

@@ -545,7 +545,7 @@ TLSSocket.prototype.renegotiate = function(options, callback) {
 };
 
 TLSSocket.prototype.setMaxSendFragment = function setMaxSendFragment(size) {
-  return this._handle.setMaxSendFragment(size) == 1;
+  return this._handle.setMaxSendFragment(size) === 1;
 };
 
 TLSSocket.prototype.getTLSTicket = function getTLSTicket() {