bpo-35890: Use RegQueryInfoKeyW and CryptAcquireContextW explicitly (GH-19974)

(cherry picked from commit 98e42d1f882b9b59f587d538c562dbc7d11c64c3)

Co-authored-by: Minmin Gong <gongminmin@msn.com>
diff --git a/Python/bootstrap_hash.c b/Python/bootstrap_hash.c
index 43f5264..eb2b6d0 100644
--- a/Python/bootstrap_hash.c
+++ b/Python/bootstrap_hash.c
@@ -38,8 +38,8 @@
 win32_urandom_init(int raise)
 {
     /* Acquire context */
-    if (!CryptAcquireContext(&hCryptProv, NULL, NULL,
-                             PROV_RSA_FULL, CRYPT_VERIFYCONTEXT))
+    if (!CryptAcquireContextW(&hCryptProv, NULL, NULL,
+                              PROV_RSA_FULL, CRYPT_VERIFYCONTEXT))
         goto error;
 
     return 0;