Fix error handling for hostname checking

Author: archigup

platform/posix/transport/src/openssl_posix.c

@@ -244,12 +244,12 @@ static OpensslStatus_t tlsHandshake( OpensslParams_t * pOpensslParams,
     {
         /* Validate the hostname against the server's certificate. */
         sslStatus = SSL_set1_host( pOpensslParams->pSsl, pOpensslCredentials->certHostName );
-    }
 
-    if( sslStatus != 1 )
-    {
-        LogError( ( "SSL_set1_host failed to set the hostname to validate." ) );
-        returnStatus = OPENSSL_API_ERROR;
+        if( sslStatus != 1 )
+        {
+            LogError( ( "SSL_set1_host failed to set the hostname to validate." ) );
+            returnStatus = OPENSSL_API_ERROR;
+        }
     }
 
     /* Enable SSL peer verification. */