Ruleset: update a URL

Looks like this one was missed in previous update rounds (not that it is a valid URL anyway.

Author: jrfnl

WordPress-Extra/ruleset.xml

@@ -42,7 +42,7 @@
 	<rule ref="Squiz.PHP.DisallowSizeFunctionsInLoops"/>
 
 	<!-- Check that functions use all parameters passed.
-		 https://github.com/WordPress-Coding-Standards/WordPress-Coding-Standards/pull/xxx -->
+		 https://github.com/WordPress/WordPress-Coding-Standards/issues/1510 -->
 	<rule ref="Generic.CodeAnalysis.UnusedFunctionParameter">
 		<!-- Allow for callback functions which may not need all parameters passed. -->
 		<exclude name="Generic.CodeAnalysis.UnusedFunctionParameter.FoundBeforeLastUsed"/>