patch 8.0.0077
Problem:    The GUI code is not tested by Travis.
Solution:   Install the virtual framebuffer.
diff --git a/src/version.c b/src/version.c
index 1707ec4..9f3810e 100644
--- a/src/version.c
+++ b/src/version.c
@@ -765,6 +765,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    77,
+/**/
     76,
 /**/
     75,