Fix unchecked warnings

Author: emlun

NEWS

@@ -16,6 +16,7 @@ Fixes:
 * `findEntries` and `findTrustRoots` methods in `FidoMetadataService` now
   attempt to read AAGUID from the attestation certificate if the `aaguid`
   argument is absent or zero.
+* Method `FidoMetadataService.Filters.allOf` now has `@SafeVarargs` annotation.
 
 
 == Version 2.3.0 ==

build.gradle

@@ -144,6 +144,7 @@ subprojects { project ->
   }
 
   tasks.withType(JavaCompile) {
+    options.compilerArgs += '-Xlint:unchecked'
     options.deprecation = true
     options.encoding = 'UTF-8'
   }

webauthn-server-attestation/src/main/java/com/yubico/fido/metadata/FidoMetadataService.java

@@ -351,6 +351,7 @@ public static class Filters {
      * @return A filter which only accepts inputs that satisfy ALL of the given <code>
      *     filters</code>.
      */
+    @SafeVarargs
     public static <T> Predicate<T> allOf(Predicate<T>... filters) {
       return (entry) -> Stream.of(filters).allMatch(filter -> filter.test(entry));
     }