[njs] WebCrypto: fixed issue introduced in 637fc26e.

[noreply at nginx.com]

details:   https://github.com/nginx/njs/commit/95ea07b6553227638c9727f52dae99e94b08962a
branches:  master
commit:    95ea07b6553227638c9727f52dae99e94b08962a
user:      Dmitry Volyntsev <xeioex at nginx.com>
date:      Mon, 19 May 2025 14:58:12 -0700
description:
WebCrypto: fixed issue introduced in 637fc26e.

Found by Clang static analyzer.

---
 external/njs_webcrypto_module.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/external/njs_webcrypto_module.c b/external/njs_webcrypto_module.c
index 8d7f78e7..b9a74353 100644
--- a/external/njs_webcrypto_module.c
+++ b/external/njs_webcrypto_module.c
@@ -4852,7 +4852,8 @@ njs_algorithm_hash(njs_vm_t *vm, njs_value_t *options,
     if (njs_value_is_object(options)) {
         val = njs_vm_object_prop(vm, options, &string_hash, &value);
         if (val == NULL) {
-            return NJS_HASH_SHA256;
+            *hash = NJS_HASH_SHA256;
+            return NJS_OK;
         }
 
     } else {