Expose SSL HW record acceleration error.

Fix issue with variable shadowing.

Signed-off-by: sander-visser <github@visser.se>
diff --git a/library/ssl_tls.c b/library/ssl_tls.c
index ccfc4bd..760ba90 100644
--- a/library/ssl_tls.c
+++ b/library/ssl_tls.c
@@ -1175,7 +1175,7 @@
 #if defined(MBEDTLS_SSL_HW_RECORD_ACCEL)
     if( mbedtls_ssl_hw_record_init != NULL )
     {
-        int ret = 0;
+        ret = 0;
 
         MBEDTLS_SSL_DEBUG_MSG( 2, ( "going for mbedtls_ssl_hw_record_init()" ) );