Fix some style issues with TLSv1.3 state machine PR

Reviewed-by: Rich Salz <rsalz@openssl.org>

ssl/statem/statem_clnt.c

diff --git a/ssl/statem/statem_clnt.c b/ssl/statem/statem_clnt.c
index ec1a1de..1f4e630 100644
--- a/ssl/statem/statem_clnt.c
+++ b/ssl/statem/statem_clnt.c
@@ -2190,9 +2190,8 @@
 /*
  * Perform miscellaneous checks and processing after we have received the
  * server's initial flight. In TLS1.3 this is after the Server Finished message.
- * In <=TLS1.2 this is after the ServerDone message.
- *
- * Returns 1 on success or 0 on failure.
+ * In <=TLS1.2 this is after the ServerDone message. Returns 1 on success or 0
+ * on failure.
  */
 int tls_process_initial_server_flight(SSL *s, int *al)
 {

ssl/tls13_enc.c

diff --git a/ssl/tls13_enc.c b/ssl/tls13_enc.c
index adee7a0..f8ccdec 100644
--- a/ssl/tls13_enc.c
+++ b/ssl/tls13_enc.c
@@ -293,6 +293,7 @@
     size_t ivlen, keylen, finsecretlen;
     const unsigned char *label;
     size_t labellen;
+    int ret = 0;
 
     if (which & SSL3_CC_READ) {
         if (s->enc_read_ctx != NULL) {
@@ -427,14 +428,11 @@
     }
 #endif
 
-    OPENSSL_cleanse(secret, sizeof(secret));
-    OPENSSL_cleanse(key, sizeof(key));
-    OPENSSL_cleanse(iv, sizeof(iv));
-    return 1;
+    ret = 1;
 
  err:
     OPENSSL_cleanse(secret, sizeof(secret));
     OPENSSL_cleanse(key, sizeof(key));
     OPENSSL_cleanse(iv, sizeof(iv));
-    return 0;
+    return ret;
 }