patchIssue3992: disable coverage checking

The upstream patches have made it into the Node releases used by
coveralls, so the replacement instances are no longer being invoked.
Remove them from coverage checking so I can get my 100% back.

Author: pabigot

CHANGELOG.md

@@ -1,5 +1,10 @@
 # Change Log
 
+## [0.12.1] - 2016-0308
+
+* Disable coverage testing for [patchIssue3992][doc:patchIssue3992] to
+  avoid taking a penalty on node versions that have been updated.
+  
 ## [0.12.0] - 2016-0308
 
 * **API** Replace `setClassLayout` with [bindConstructorLayout][doc:bindConstructorLayout].

lib/patchIssue3992.js

@@ -62,6 +62,7 @@ function checkInt(buffer, value, offset, ext, max, min) {
  * violations if the function doesn't appear to be a method, and about
  * defining functions within a block if the test is in an if
  * statement. */
+/* istanbul ignore next */
 Buffer.prototype.writeIntLE = issue3992IsResolved
   ? Buffer.prototype.writeIntLE
   : function(value, offset, byteLength, noAssert) {
@@ -89,6 +90,7 @@ Buffer.prototype.writeIntLE = issue3992IsResolved
   return offset + byteLength;
 };
 
+/* istanbul ignore next */
 Buffer.prototype.writeIntBE = issue3992IsResolved
   ? Buffer.prototype.writeIntBE
   : function(value, offset, byteLength, noAssert) {

package.json

@@ -1,6 +1,6 @@
 {
   "name": "buffer-layout",
-  "version": "0.12.0",
+  "version": "0.12.1",
   "description": "Translation between JavaScript values and Buffers",
   "keywords": [
     "Buffer",