Add bsn_switch_pipeline extension.
diff --git a/c_gen/templates/loci_show.h b/c_gen/templates/loci_show.h
index c61866c..70f18d5 100644
--- a/c_gen/templates/loci_show.h
+++ b/c_gen/templates/loci_show.h
@@ -194,6 +194,7 @@
#define LOCI_SHOW_desc_str_sw_desc(writer, cookie, val) LOCI_SHOW_desc_str(writer, cookie, val)
#define LOCI_SHOW_ser_num_serial_num(writer, cookie, val) LOCI_SHOW_ser_num(writer, cookie, val)
#define LOCI_SHOW_desc_str_dp_desc(writer, cookie, val) LOCI_SHOW_desc_str(writer, cookie, val)
+#define LOCI_SHOW_desc_str_pipeline(writer, cookie, val) LOCI_SHOW_desc_str(writer, cookie, val)
#define LOCI_SHOW_octets_data(writer, cookie, val) LOCI_SHOW_octets(writer, cookie, val)
#define LOCI_SHOW_u16_err_type(writer, cookie, val) LOCI_SHOW_u16(writer, cookie, val)
#define LOCI_SHOW_u16_code(writer, cookie, val) LOCI_SHOW_u16(writer, cookie, val)