Adjust log message to include guidance for XML users

Signed-off-by: philipp.delmonego <philipp.delmonego@live.de>

config/src/main/java/org/springframework/security/config/annotation/web/builders/WebSecurityFilterChainValidator.java

@@ -103,7 +103,8 @@ final class WebSecurityFilterChainValidator implements FilterChainProxy.FilterCh
 			}
 			if (filterSecurityInterceptor != null) {
 				this.logger.warn(
-						"Usage of authorizeRequests is deprecated. Please use authorizeHttpRequests in the configuration");
+						"Usage of authorizeRequests is deprecated. Please use authorizeHttpRequests in the configuration. "
+								+ "If using XML, ensure use-authorization-manager=\"true\" is configured");
 			}
 			authorizationFilter = null;
 			filterSecurityInterceptor = null;

config/src/main/java/org/springframework/security/config/http/DefaultFilterChainValidator.java

@@ -126,7 +126,8 @@ public class DefaultFilterChainValidator implements FilterChainProxy.FilterChain
 			}
 			if (filterSecurityInterceptor != null) {
 				this.logger.warn(
-						"Usage of authorizeRequests is deprecated. Please use authorizeHttpRequests in the configuration");
+						"Usage of authorizeRequests is deprecated. Please use authorizeHttpRequests in the configuration. "
+								+ "If using XML, ensure use-authorization-manager=\"true\" is configured");
 			}
 			authorizationFilter = null;
 			filterSecurityInterceptor = null;