Tweak a style issue

Reviewed-by: Rich Salz <rsalz@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/3091)

ssl/ssl_lib.c

diff --git a/ssl/ssl_lib.c b/ssl/ssl_lib.c
index 5b5bff1..24fc994 100644
--- a/ssl/ssl_lib.c
+++ b/ssl/ssl_lib.c
@@ -1799,7 +1799,7 @@
 
 int SSL_write_early_data(SSL *s, const void *buf, size_t num, size_t *written)
 {
-    int ret;
+    int ret, early_data_state;
 
     switch (s->early_data_state) {
     case SSL_EARLY_DATA_NONE:
@@ -1830,14 +1830,13 @@
         return ret;
 
     case SSL_EARLY_DATA_FINISHED_READING:
-    case SSL_EARLY_DATA_READ_RETRY: {
-        int early_data_state = s->early_data_state;
+    case SSL_EARLY_DATA_READ_RETRY:
+        early_data_state = s->early_data_state;
         /* We are a server writing to an unauthenticated client */
         s->early_data_state = SSL_EARLY_DATA_UNAUTH_WRITING;
         ret = SSL_write_ex(s, buf, num, written);
         s->early_data_state = early_data_state;
         return ret;
-    }
 
     default:
         SSLerr(SSL_F_SSL_WRITE_EARLY_DATA, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED);