crypt32: Fix CertAddCRLContextToStore for CERT_STORE_ADD_USE_EXISTING add disposition.
diff --git a/dlls/crypt32/store.c b/dlls/crypt32/store.c
index 9d670f9..153d3aa 100644
--- a/dlls/crypt32/store.c
+++ b/dlls/crypt32/store.c
@@ -1091,7 +1091,13 @@
         break;
     case CERT_STORE_ADD_USE_EXISTING:
         if (existing)
+        {
             CrlContext_CopyProperties(existing, pCrlContext);
+            if (ppStoreContext)
+                *ppStoreContext = CertDuplicateCRLContext(existing);
+        }
+        else
+            toAdd = CertDuplicateCRLContext(pCrlContext);
         break;
     default:
         FIXME("Unimplemented add disposition %d\n", dwAddDisposition);