gnuplot-5.2.6+dfsg1-sixel.patch

--- gnuplot-5.2.6+dfsg1-orig/debian/rules	2017-11-09 04:39:18.000000000 +0000
+++ gnuplot-5.2.6+dfsg1/debian/rules	2019-03-22 09:40:21.077108561 +0000
@@ -31,7 +31,7 @@
 	--with-gihdir=\$${prefix}/share/gnuplot \
 	--without-lasergnu \
 	--with-png \
-	--with-gd \
+	--with-gd --with-bitmap-terminals \
 	--without-lisp-files \
 	--without-linux-vga \
 	--with-readline=bsd