add svgwrite to list of dependencies

diff --git a/install-hdl-apt-reqs b/install-hdl-apt-reqs
index 9ef6dd5ef727eb79dadd38bbfdf0519c8eaba04c..249cb69a057a8ecf2c33e65d7d4f2ffbdfcce783 100755 (executable)
--- a/install-hdl-apt-reqs
+++ b/install-hdl-apt-reqs
@@ -40,6 +40,8 @@ apt-get install -y autoconf \
     python3.7-dev \
     python3-nose \
     python3-setuptools \
+    python-svgwrite \
+    python3-svgwrite \
     python3-venv \
     python3-sphinx \
     python3-sphinx-rtd-theme \