Apply patch from mainline hash: 3fae6013c6

Author: david-beaumont

src/java.base/share/classes/jdk/internal/module/SystemModuleFinders.java

@@ -430,6 +430,7 @@ private boolean containsResource(String resourcePath) throws IOException {
 
         @Override
         public Optional<URI> find(String name) throws IOException {
+            Objects.requireNonNull(name);
             String resourcePath = "/" + module + "/" + name;
             if (containsResource(resourcePath)) {
                 URI u = JNUA.create("jrt", resourcePath);