Fix OptimizeAntPathRequestMatcher

Previously the logic for determining if the pathInfo should be appended
was inverted.

This correctly concatenates url + pathInfo if url is a non empty String.

Fixes: gh-5473

web/src/main/java/org/springframework/security/web/util/matcher/AntPathRequestMatcher.java

@@ -175,7 +175,7 @@ public final class AntPathRequestMatcher
 
 		String pathInfo = request.getPathInfo();
 		if (pathInfo != null) {
-			url = StringUtils.hasLength(url) ? pathInfo : url + pathInfo;
+			url = StringUtils.hasLength(url) ? url + pathInfo : pathInfo;
 		}
 
 		return url;