patch 8.0.1548: screen dump test script not included in distribution

Problem:    Screen dump test script not included in distribution.
Solution:   Add the script to the list of distributed files.
diff --git a/src/version.c b/src/version.c
index 3682a45..d6c17ec 100644
--- a/src/version.c
+++ b/src/version.c
@@ -779,6 +779,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    1548,
+/**/
     1547,
 /**/
     1546,