tls_wolfssl: amend patch with Fix RNG with writedup

Amend patch with wolfSSL/wolfssl#6843

(cherry picked from commit e393d4c)

modules/tls_wolfssl/lib/patches/wolfssl-internal-memleak-fix.patch

@@ -22,23 +22,34 @@ index 930769152..46e26a313 100644
      FreeSuites(ssl);
      FreeHandshakeHashes(ssl);
 diff --git a/src/ssl.c b/src/ssl.c
-index 8d946f07b..01a4c7a54 100644
+index 8d946f07b..a0f4a5fc5 100644
 --- a/src/ssl.c
 +++ b/src/ssl.c
-@@ -747,6 +747,13 @@ static int DupSSL(WOLFSSL* dup, WOLFSSL* ssl)
+@@ -731,6 +731,8 @@ void FreeWriteDup(WOLFSSL* ssl)
+ */
+ static int DupSSL(WOLFSSL* dup, WOLFSSL* ssl)
+ {
++    word16 tmp_weOwnRng;
++
+     /* shared dupWrite setup */
+     ssl->dupWrite = (WriteDup*)XMALLOC(sizeof(WriteDup), ssl->heap,
+                                        DYNAMIC_TYPE_WRITEDUP);
+@@ -747,6 +749,8 @@ static int DupSSL(WOLFSSL* dup, WOLFSSL* ssl)
      ssl->dupWrite->dupCount = 2;    /* both sides have a count to start */
      dup->dupWrite = ssl->dupWrite; /* each side uses */
 
-+    if (dup->options.weOwnRng) {
-+        wc_FreeRng(dup->rng);
-+        XFREE(dup->rng, dup->heap, DYNAMIC_TYPE_RNG);
-+        dup->rng = NULL;
-+        dup->options.weOwnRng = 0;
-+    }
++    tmp_weOwnRng = dup->options.weOwnRng;
 +
      /* copy write parts over to dup writer */
      XMEMCPY(&dup->specs,   &ssl->specs,   sizeof(CipherSpecs));
      XMEMCPY(&dup->options, &ssl->options, sizeof(Options));
--- 
-2.42.0
-
+@@ -769,6 +773,9 @@ static int DupSSL(WOLFSSL* dup, WOLFSSL* ssl)
+     dup->truncated_hmac = ssl->truncated_hmac;
+ #endif
+
++    /* Restore rng option */
++    dup->options.weOwnRng = tmp_weOwnRng;
++
+     /* unique side dup setup */
+     dup->dupSide = WRITE_DUP_SIDE;
+     ssl->dupSide = READ_DUP_SIDE;