Call ERR_clear_error() where necessary

kike.c

@@ -3113,6 +3113,7 @@ irc_try_read_ssl (struct client *c)
 	while (true)
 	{
 		str_ensure_space (buf, 512);
+		ERR_clear_error ();
 		int n_read = SSL_read (c->ssl, buf->str + buf->len,
 			buf->alloc - buf->len - 1 /* null byte */);
 
@@ -3179,6 +3180,7 @@ irc_try_write_ssl (struct client *c)
 	c->ssl_tx_want_rx = false;
 	while (buf->len)
 	{
+		ERR_clear_error ();
 		int n_written = SSL_write (c->ssl, buf->str, buf->len);
 
 		const char *error_info = NULL;