[master] 651cbd15e add vtc.c to doc generation

[Poul-Henning Kamp]

commit 651cbd15e6a76a04978e3d9e512c59a5fae31feb
Author: Guillaume Quintard <guillaume.quintard at gmail.com>
Date:   Thu Feb 23 22:13:00 2023 -0800

    add vtc.c to doc generation

diff --git a/doc/sphinx/Makefile.am b/doc/sphinx/Makefile.am
index 56a3a9096..96fc5fc1a 100644
--- a/doc/sphinx/Makefile.am
+++ b/doc/sphinx/Makefile.am
@@ -158,6 +158,7 @@ include/vsl-tags.rst: $(top_builddir)/lib/libvarnishapi/vsl2rst
 BUILT_SOURCES += include/vsl-tags.rst
 
 VTCSYN_SRC = \
+	$(top_srcdir)/bin/varnishtest/vtc.c \
 	$(top_srcdir)/bin/varnishtest/vtc_barrier.c \
 	$(top_srcdir)/bin/varnishtest/vtc_haproxy.c \
 	$(top_srcdir)/bin/varnishtest/vtc_http.c \