patch 8.0.0549: no test for the 8g8 command

Problem:    No test for the 8g8 command.
Solution:   Add a test. (Dominique Pelle, closes #1615)
diff --git a/src/version.c b/src/version.c
index e856ba5..1ffb655 100644
--- a/src/version.c
+++ b/src/version.c
@@ -765,6 +765,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    549,
+/**/
     548,
 /**/
     547,